Home / 147,244.11-203,191.32-89,979.18

Finding the Fourth Proportional to 147,244.11, 203,191.32 and 89,979.18

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Solution

The fourth proportional to 147,244.11, 203,191.32 and 89,979.18 is: 124,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,244.11 : 203,191.32 = 89,979.18 : x
  2. Step 2: Convert to fraction form
    147,244.11/203,191.32 = 89,979.18/x
  3. Step 3: Cross multiply
    147,244.11x = 203,191.32 × 89,979.18
  4. Step 4: Simplify right side
    147,244.11x = 18,282,988,356.72
  5. Step 5: Solve for x
    x = 18,282,988,356.72/147,244.11
  6. Step 6: Final answer
    x = 124,167.88

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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.