Home / 103,632.10-155,448.15-92,356.90

Finding the Fourth Proportional to 103,632.10, 155,448.15 and 92,356.90

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Solution

The fourth proportional to 103,632.10, 155,448.15 and 92,356.90 is: 138,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.10 : 155,448.15 = 92,356.90 : x
  2. Step 2: Convert to fraction form
    103,632.10/155,448.15 = 92,356.90/x
  3. Step 3: Cross multiply
    103,632.10x = 155,448.15 × 92,356.90
  4. Step 4: Simplify right side
    103,632.10x = 14,356,709,244.74
  5. Step 5: Solve for x
    x = 14,356,709,244.74/103,632.10
  6. Step 6: Final answer
    x = 138,535.35

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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.