Home / 224,565.87-309,901.47-122,591.40

Finding the Fourth Proportional to 224,565.87, 309,901.47 and 122,591.40

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Solution

The fourth proportional to 224,565.87, 309,901.47 and 122,591.40 is: 169,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,565.87 : 309,901.47 = 122,591.40 : x
  2. Step 2: Convert to fraction form
    224,565.87/309,901.47 = 122,591.40/x
  3. Step 3: Cross multiply
    224,565.87x = 309,901.47 × 122,591.40
  4. Step 4: Simplify right side
    224,565.87x = 37,991,255,069.36
  5. Step 5: Solve for x
    x = 37,991,255,069.36/224,565.87
  6. Step 6: Final answer
    x = 169,176.44

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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.