Home / 127,603.55-191,433.81-38,863.90

Finding the Fourth Proportional to 127,603.55, 191,433.81 and 38,863.90

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Solution

The fourth proportional to 127,603.55, 191,433.81 and 38,863.90 is: 58,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,603.55 : 191,433.81 = 38,863.90 : x
  2. Step 2: Convert to fraction form
    127,603.55/191,433.81 = 38,863.90/x
  3. Step 3: Cross multiply
    127,603.55x = 191,433.81 × 38,863.90
  4. Step 4: Simplify right side
    127,603.55x = 7,439,864,505.58
  5. Step 5: Solve for x
    x = 7,439,864,505.58/127,603.55
  6. Step 6: Final answer
    x = 58,304.52

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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.