Home / 124,834.80-187,252.20-89,842.80

Finding the Fourth Proportional to 124,834.80, 187,252.20 and 89,842.80

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Solution

The fourth proportional to 124,834.80, 187,252.20 and 89,842.80 is: 134,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,834.80 : 187,252.20 = 89,842.80 : x
  2. Step 2: Convert to fraction form
    124,834.80/187,252.20 = 89,842.80/x
  3. Step 3: Cross multiply
    124,834.80x = 187,252.20 × 89,842.80
  4. Step 4: Simplify right side
    124,834.80x = 16,823,261,954.16
  5. Step 5: Solve for x
    x = 16,823,261,954.16/124,834.80
  6. Step 6: Final answer
    x = 134,764.20

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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.