Home / 242,391.28-334,187.29-198,621.08

Finding the Fourth Proportional to 242,391.28, 334,187.29 and 198,621.08

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Solution

The fourth proportional to 242,391.28, 334,187.29 and 198,621.08 is: 273,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,391.28 : 334,187.29 = 198,621.08 : x
  2. Step 2: Convert to fraction form
    242,391.28/334,187.29 = 198,621.08/x
  3. Step 3: Cross multiply
    242,391.28x = 334,187.29 × 198,621.08
  4. Step 4: Simplify right side
    242,391.28x = 66,376,641,545.82
  5. Step 5: Solve for x
    x = 66,376,641,545.82/242,391.28
  6. Step 6: Final answer
    x = 273,840.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.