Home / 127,848.10-192,002.55-123,700.90

Finding the Fourth Proportional to 127,848.10, 192,002.55 and 123,700.90

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Solution

The fourth proportional to 127,848.10, 192,002.55 and 123,700.90 is: 185,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,848.10 : 192,002.55 = 123,700.90 : x
  2. Step 2: Convert to fraction form
    127,848.10/192,002.55 = 123,700.90/x
  3. Step 3: Cross multiply
    127,848.10x = 192,002.55 × 123,700.90
  4. Step 4: Simplify right side
    127,848.10x = 23,750,888,237.30
  5. Step 5: Solve for x
    x = 23,750,888,237.30/127,848.10
  6. Step 6: Final answer
    x = 185,774.28

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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.