Home / 127,551.19-191,354.28-38,811.85

Finding the Fourth Proportional to 127,551.19, 191,354.28 and 38,811.85

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Solution

The fourth proportional to 127,551.19, 191,354.28 and 38,811.85 is: 58,226.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,551.19 : 191,354.28 = 38,811.85 : x
  2. Step 2: Convert to fraction form
    127,551.19/191,354.28 = 38,811.85/x
  3. Step 3: Cross multiply
    127,551.19x = 191,354.28 × 38,811.85
  4. Step 4: Simplify right side
    127,551.19x = 7,426,813,612.22
  5. Step 5: Solve for x
    x = 7,426,813,612.22/127,551.19
  6. Step 6: Final answer
    x = 58,226.14

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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.