Home / 155,789.80-233,598.30-67,028.20

Finding the Fourth Proportional to 155,789.80, 233,598.30 and 67,028.20

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Solution

The fourth proportional to 155,789.80, 233,598.30 and 67,028.20 is: 100,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,789.80 : 233,598.30 = 67,028.20 : x
  2. Step 2: Convert to fraction form
    155,789.80/233,598.30 = 67,028.20/x
  3. Step 3: Cross multiply
    155,789.80x = 233,598.30 × 67,028.20
  4. Step 4: Simplify right side
    155,789.80x = 15,657,673,572.06
  5. Step 5: Solve for x
    x = 15,657,673,572.06/155,789.80
  6. Step 6: Final answer
    x = 100,505.13

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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.