Home / 124,890.18-187,467.30-122,069.76

Finding the Fourth Proportional to 124,890.18, 187,467.30 and 122,069.76

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Solution

The fourth proportional to 124,890.18, 187,467.30 and 122,069.76 is: 183,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,890.18 : 187,467.30 = 122,069.76 : x
  2. Step 2: Convert to fraction form
    124,890.18/187,467.30 = 122,069.76/x
  3. Step 3: Cross multiply
    124,890.18x = 187,467.30 × 122,069.76
  4. Step 4: Simplify right side
    124,890.18x = 22,884,088,318.85
  5. Step 5: Solve for x
    x = 22,884,088,318.85/124,890.18
  6. Step 6: Final answer
    x = 183,233.69

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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.