Home / 127,587.97-191,409.61-38,839.15

Finding the Fourth Proportional to 127,587.97, 191,409.61 and 38,839.15

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Solution

The fourth proportional to 127,587.97, 191,409.61 and 38,839.15 is: 58,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,587.97 : 191,409.61 = 38,839.15 : x
  2. Step 2: Convert to fraction form
    127,587.97/191,409.61 = 38,839.15/x
  3. Step 3: Cross multiply
    127,587.97x = 191,409.61 × 38,839.15
  4. Step 4: Simplify right side
    127,587.97x = 7,434,186,554.23
  5. Step 5: Solve for x
    x = 7,434,186,554.23/127,587.97
  6. Step 6: Final answer
    x = 58,267.14

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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.