Home / 234,570.47-323,707.82-127,140.39

Finding the Fourth Proportional to 234,570.47, 323,707.82 and 127,140.39

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Solution

The fourth proportional to 234,570.47, 323,707.82 and 127,140.39 is: 175,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,570.47 : 323,707.82 = 127,140.39 : x
  2. Step 2: Convert to fraction form
    234,570.47/323,707.82 = 127,140.39/x
  3. Step 3: Cross multiply
    234,570.47x = 323,707.82 × 127,140.39
  4. Step 4: Simplify right side
    234,570.47x = 41,156,337,845.15
  5. Step 5: Solve for x
    x = 41,156,337,845.15/234,570.47
  6. Step 6: Final answer
    x = 175,454.05

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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.