Home / 102,256.20-141,110.10-57,535.56

Finding the Fourth Proportional to 102,256.20, 141,110.10 and 57,535.56

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Solution

The fourth proportional to 102,256.20, 141,110.10 and 57,535.56 is: 79,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,256.20 : 141,110.10 = 57,535.56 : x
  2. Step 2: Convert to fraction form
    102,256.20/141,110.10 = 57,535.56/x
  3. Step 3: Cross multiply
    102,256.20x = 141,110.10 × 57,535.56
  4. Step 4: Simplify right side
    102,256.20x = 8,118,848,625.16
  5. Step 5: Solve for x
    x = 8,118,848,625.16/102,256.20
  6. Step 6: Final answer
    x = 79,397.13

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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.