Home / 366,618.24-550,014.72-129,981.76

Finding the Fourth Proportional to 366,618.24, 550,014.72 and 129,981.76

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Solution

The fourth proportional to 366,618.24, 550,014.72 and 129,981.76 is: 195,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,618.24 : 550,014.72 = 129,981.76 : x
  2. Step 2: Convert to fraction form
    366,618.24/550,014.72 = 129,981.76/x
  3. Step 3: Cross multiply
    366,618.24x = 550,014.72 × 129,981.76
  4. Step 4: Simplify right side
    366,618.24x = 71,491,881,331.51
  5. Step 5: Solve for x
    x = 71,491,881,331.51/366,618.24
  6. Step 6: Final answer
    x = 195,003.61

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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.