Home / 102,497.76-153,746.64-28,623.84

Finding the Fourth Proportional to 102,497.76, 153,746.64 and 28,623.84

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Solution

The fourth proportional to 102,497.76, 153,746.64 and 28,623.84 is: 42,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,497.76 : 153,746.64 = 28,623.84 : x
  2. Step 2: Convert to fraction form
    102,497.76/153,746.64 = 28,623.84/x
  3. Step 3: Cross multiply
    102,497.76x = 153,746.64 × 28,623.84
  4. Step 4: Simplify right side
    102,497.76x = 4,400,819,223.90
  5. Step 5: Solve for x
    x = 4,400,819,223.90/102,497.76
  6. Step 6: Final answer
    x = 42,935.76

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.