Home / 160,463.12-221,469.72-92,525.36

Finding the Fourth Proportional to 160,463.12, 221,469.72 and 92,525.36

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Solution

The fourth proportional to 160,463.12, 221,469.72 and 92,525.36 is: 127,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,463.12 : 221,469.72 = 92,525.36 : x
  2. Step 2: Convert to fraction form
    160,463.12/221,469.72 = 92,525.36/x
  3. Step 3: Cross multiply
    160,463.12x = 221,469.72 × 92,525.36
  4. Step 4: Simplify right side
    160,463.12x = 20,491,565,572.10
  5. Step 5: Solve for x
    x = 20,491,565,572.10/160,463.12
  6. Step 6: Final answer
    x = 127,702.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.