Home / 224,155.11-309,332.08-122,180.57

Finding the Fourth Proportional to 224,155.11, 309,332.08 and 122,180.57

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Solution

The fourth proportional to 224,155.11, 309,332.08 and 122,180.57 is: 168,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,155.11 : 309,332.08 = 122,180.57 : x
  2. Step 2: Convert to fraction form
    224,155.11/309,332.08 = 122,180.57/x
  3. Step 3: Cross multiply
    224,155.11x = 309,332.08 × 122,180.57
  4. Step 4: Simplify right side
    224,155.11x = 37,794,369,619.75
  5. Step 5: Solve for x
    x = 37,794,369,619.75/224,155.11
  6. Step 6: Final answer
    x = 168,608.11

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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.