Home / 102,356.88-141,239.76-59,336.16

Finding the Fourth Proportional to 102,356.88, 141,239.76 and 59,336.16

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Solution

The fourth proportional to 102,356.88, 141,239.76 and 59,336.16 is: 81,876.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,356.88 : 141,239.76 = 59,336.16 : x
  2. Step 2: Convert to fraction form
    102,356.88/141,239.76 = 59,336.16/x
  3. Step 3: Cross multiply
    102,356.88x = 141,239.76 × 59,336.16
  4. Step 4: Simplify right side
    102,356.88x = 8,380,624,997.72
  5. Step 5: Solve for x
    x = 8,380,624,997.72/102,356.88
  6. Step 6: Final answer
    x = 81,876.52

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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.