Home / 234,572.94-323,708.83-127,140.21

Finding the Fourth Proportional to 234,572.94, 323,708.83 and 127,140.21

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Solution

The fourth proportional to 234,572.94, 323,708.83 and 127,140.21 is: 175,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,572.94 : 323,708.83 = 127,140.21 : x
  2. Step 2: Convert to fraction form
    234,572.94/323,708.83 = 127,140.21/x
  3. Step 3: Cross multiply
    234,572.94x = 323,708.83 × 127,140.21
  4. Step 4: Simplify right side
    234,572.94x = 41,156,408,625.05
  5. Step 5: Solve for x
    x = 41,156,408,625.05/234,572.94
  6. Step 6: Final answer
    x = 175,452.50

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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.