Home / 224,139.10-309,312.08-127,343.13

Finding the Fourth Proportional to 224,139.10, 309,312.08 and 127,343.13

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Solution

The fourth proportional to 224,139.10, 309,312.08 and 127,343.13 is: 175,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,139.10 : 309,312.08 = 127,343.13 : x
  2. Step 2: Convert to fraction form
    224,139.10/309,312.08 = 127,343.13/x
  3. Step 3: Cross multiply
    224,139.10x = 309,312.08 × 127,343.13
  4. Step 4: Simplify right side
    224,139.10x = 39,388,768,414.01
  5. Step 5: Solve for x
    x = 39,388,768,414.01/224,139.10
  6. Step 6: Final answer
    x = 175,733.59

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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.