Home / 125,983.31-173,795.72-80,624.93

Finding the Fourth Proportional to 125,983.31, 173,795.72 and 80,624.93

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Solution

The fourth proportional to 125,983.31, 173,795.72 and 80,624.93 is: 111,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,983.31 : 173,795.72 = 80,624.93 : x
  2. Step 2: Convert to fraction form
    125,983.31/173,795.72 = 80,624.93/x
  3. Step 3: Cross multiply
    125,983.31x = 173,795.72 × 80,624.93
  4. Step 4: Simplify right side
    125,983.31x = 14,012,266,487.20
  5. Step 5: Solve for x
    x = 14,012,266,487.20/125,983.31
  6. Step 6: Final answer
    x = 111,223.20

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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.