Home / 224,048.43-309,193.84-128,572.59

Finding the Fourth Proportional to 224,048.43, 309,193.84 and 128,572.59

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Solution

The fourth proportional to 224,048.43, 309,193.84 and 128,572.59 is: 177,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,048.43 : 309,193.84 = 128,572.59 : x
  2. Step 2: Convert to fraction form
    224,048.43/309,193.84 = 128,572.59/x
  3. Step 3: Cross multiply
    224,048.43x = 309,193.84 × 128,572.59
  4. Step 4: Simplify right side
    224,048.43x = 39,753,852,177.98
  5. Step 5: Solve for x
    x = 39,753,852,177.98/224,048.43
  6. Step 6: Final answer
    x = 177,434.19

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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.