Home / 127,549.04-191,344.48-38,781.94

Finding the Fourth Proportional to 127,549.04, 191,344.48 and 38,781.94

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Solution

The fourth proportional to 127,549.04, 191,344.48 and 38,781.94 is: 58,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,549.04 : 191,344.48 = 38,781.94 : x
  2. Step 2: Convert to fraction form
    127,549.04/191,344.48 = 38,781.94/x
  3. Step 3: Cross multiply
    127,549.04x = 191,344.48 × 38,781.94
  4. Step 4: Simplify right side
    127,549.04x = 7,420,710,142.69
  5. Step 5: Solve for x
    x = 7,420,710,142.69/127,549.04
  6. Step 6: Final answer
    x = 58,179.27

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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.