Home / 125,360.23-187,863.54-69,225.61

Finding the Fourth Proportional to 125,360.23, 187,863.54 and 69,225.61

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Solution

The fourth proportional to 125,360.23, 187,863.54 and 69,225.61 is: 103,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,360.23 : 187,863.54 = 69,225.61 : x
  2. Step 2: Convert to fraction form
    125,360.23/187,863.54 = 69,225.61/x
  3. Step 3: Cross multiply
    125,360.23x = 187,863.54 × 69,225.61
  4. Step 4: Simplify right side
    125,360.23x = 13,004,968,153.26
  5. Step 5: Solve for x
    x = 13,004,968,153.26/125,360.23
  6. Step 6: Final answer
    x = 103,740.78

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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.