Home / 125,110.04-187,586.21-106,141.30

Finding the Fourth Proportional to 125,110.04, 187,586.21 and 106,141.30

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Solution

The fourth proportional to 125,110.04, 187,586.21 and 106,141.30 is: 159,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,110.04 : 187,586.21 = 106,141.30 : x
  2. Step 2: Convert to fraction form
    125,110.04/187,586.21 = 106,141.30/x
  3. Step 3: Cross multiply
    125,110.04x = 187,586.21 × 106,141.30
  4. Step 4: Simplify right side
    125,110.04x = 19,910,643,987.86
  5. Step 5: Solve for x
    x = 19,910,643,987.86/125,110.04
  6. Step 6: Final answer
    x = 159,145.06

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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.