Home / 123,292.20-185,024.70-53,221.80

Finding the Fourth Proportional to 123,292.20, 185,024.70 and 53,221.80

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Solution

The fourth proportional to 123,292.20, 185,024.70 and 53,221.80 is: 79,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,292.20 : 185,024.70 = 53,221.80 : x
  2. Step 2: Convert to fraction form
    123,292.20/185,024.70 = 53,221.80/x
  3. Step 3: Cross multiply
    123,292.20x = 185,024.70 × 53,221.80
  4. Step 4: Simplify right side
    123,292.20x = 9,847,347,578.46
  5. Step 5: Solve for x
    x = 9,847,347,578.46/123,292.20
  6. Step 6: Final answer
    x = 79,870.00

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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.