Home / 103,502.10-155,253.15-92,226.90

Finding the Fourth Proportional to 103,502.10, 155,253.15 and 92,226.90

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Solution

The fourth proportional to 103,502.10, 155,253.15 and 92,226.90 is: 138,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,502.10 : 155,253.15 = 92,226.90 : x
  2. Step 2: Convert to fraction form
    103,502.10/155,253.15 = 92,226.90/x
  3. Step 3: Cross multiply
    103,502.10x = 155,253.15 × 92,226.90
  4. Step 4: Simplify right side
    103,502.10x = 14,318,516,739.74
  5. Step 5: Solve for x
    x = 14,318,516,739.74/103,502.10
  6. Step 6: Final answer
    x = 138,340.35

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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.