Home / 234,572.94-323,708.84-127,140.20

Finding the Fourth Proportional to 234,572.94, 323,708.84 and 127,140.20

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Solution

The fourth proportional to 234,572.94, 323,708.84 and 127,140.20 is: 175,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,572.94 : 323,708.84 = 127,140.20 : x
  2. Step 2: Convert to fraction form
    234,572.94/323,708.84 = 127,140.20/x
  3. Step 3: Cross multiply
    234,572.94x = 323,708.84 × 127,140.20
  4. Step 4: Simplify right side
    234,572.94x = 41,156,406,659.37
  5. Step 5: Solve for x
    x = 41,156,406,659.37/234,572.94
  6. Step 6: Final answer
    x = 175,452.49

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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.