Home / 614,581.43-921,981.17-188,107.82

Finding the Fourth Proportional to 614,581.43, 921,981.17 and 188,107.82

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Solution

The fourth proportional to 614,581.43, 921,981.17 and 188,107.82 is: 282,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,581.43 : 921,981.17 = 188,107.82 : x
  2. Step 2: Convert to fraction form
    614,581.43/921,981.17 = 188,107.82/x
  3. Step 3: Cross multiply
    614,581.43x = 921,981.17 × 188,107.82
  4. Step 4: Simplify right side
    614,581.43x = 173,431,867,969.75
  5. Step 5: Solve for x
    x = 173,431,867,969.75/614,581.43
  6. Step 6: Final answer
    x = 282,195.10

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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.