Home / 206,178.03-284,526.68-134,515.71

Finding the Fourth Proportional to 206,178.03, 284,526.68 and 134,515.71

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Solution

The fourth proportional to 206,178.03, 284,526.68 and 134,515.71 is: 185,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,178.03 : 284,526.68 = 134,515.71 : x
  2. Step 2: Convert to fraction form
    206,178.03/284,526.68 = 134,515.71/x
  3. Step 3: Cross multiply
    206,178.03x = 284,526.68 × 134,515.71
  4. Step 4: Simplify right side
    206,178.03x = 38,273,307,701.56
  5. Step 5: Solve for x
    x = 38,273,307,701.56/206,178.03
  6. Step 6: Final answer
    x = 185,632.33

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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.