Home / 224,126.13-309,292.11-122,151.57

Finding the Fourth Proportional to 224,126.13, 309,292.11 and 122,151.57

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Solution

The fourth proportional to 224,126.13, 309,292.11 and 122,151.57 is: 168,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,126.13 : 309,292.11 = 122,151.57 : x
  2. Step 2: Convert to fraction form
    224,126.13/309,292.11 = 122,151.57/x
  3. Step 3: Cross multiply
    224,126.13x = 309,292.11 × 122,151.57
  4. Step 4: Simplify right side
    224,126.13x = 37,780,517,526.89
  5. Step 5: Solve for x
    x = 37,780,517,526.89/224,126.13
  6. Step 6: Final answer
    x = 168,568.11

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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.