Home / 154,555.70-231,921.23-65,799.95

Finding the Fourth Proportional to 154,555.70, 231,921.23 and 65,799.95

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Solution

The fourth proportional to 154,555.70, 231,921.23 and 65,799.95 is: 98,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,555.70 : 231,921.23 = 65,799.95 : x
  2. Step 2: Convert to fraction form
    154,555.70/231,921.23 = 65,799.95/x
  3. Step 3: Cross multiply
    154,555.70x = 231,921.23 × 65,799.95
  4. Step 4: Simplify right side
    154,555.70x = 15,260,403,849.33
  5. Step 5: Solve for x
    x = 15,260,403,849.33/154,555.70
  6. Step 6: Final answer
    x = 98,737.25

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1.5x scale

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.