Home / 102,602.28-141,552.18-62,300.76

Finding the Fourth Proportional to 102,602.28, 141,552.18 and 62,300.76

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Solution

The fourth proportional to 102,602.28, 141,552.18 and 62,300.76 is: 85,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,602.28 : 141,552.18 = 62,300.76 : x
  2. Step 2: Convert to fraction form
    102,602.28/141,552.18 = 62,300.76/x
  3. Step 3: Cross multiply
    102,602.28x = 141,552.18 × 62,300.76
  4. Step 4: Simplify right side
    102,602.28x = 8,818,808,393.66
  5. Step 5: Solve for x
    x = 8,818,808,393.66/102,602.28
  6. Step 6: Final answer
    x = 85,951.39

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.