Home / 127,646.52-191,476.98-38,902.92

Finding the Fourth Proportional to 127,646.52, 191,476.98 and 38,902.92

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Solution

The fourth proportional to 127,646.52, 191,476.98 and 38,902.92 is: 58,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,646.52 : 191,476.98 = 38,902.92 : x
  2. Step 2: Convert to fraction form
    127,646.52/191,476.98 = 38,902.92/x
  3. Step 3: Cross multiply
    127,646.52x = 191,476.98 × 38,902.92
  4. Step 4: Simplify right side
    127,646.52x = 7,449,013,537.52
  5. Step 5: Solve for x
    x = 7,449,013,537.52/127,646.52
  6. Step 6: Final answer
    x = 58,356.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.