Home / 127,897.48-191,839.20-39,150.92

Finding the Fourth Proportional to 127,897.48, 191,839.20 and 39,150.92

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Solution

The fourth proportional to 127,897.48, 191,839.20 and 39,150.92 is: 58,724.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,897.48 : 191,839.20 = 39,150.92 : x
  2. Step 2: Convert to fraction form
    127,897.48/191,839.20 = 39,150.92/x
  3. Step 3: Cross multiply
    127,897.48x = 191,839.20 × 39,150.92
  4. Step 4: Simplify right side
    127,897.48x = 7,510,681,172.06
  5. Step 5: Solve for x
    x = 7,510,681,172.06/127,897.48
  6. Step 6: Final answer
    x = 58,724.23

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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.