Home / 217,109.39-299,627.57-136,605.92

Finding the Fourth Proportional to 217,109.39, 299,627.57 and 136,605.92

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Solution

The fourth proportional to 217,109.39, 299,627.57 and 136,605.92 is: 188,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,109.39 : 299,627.57 = 136,605.92 : x
  2. Step 2: Convert to fraction form
    217,109.39/299,627.57 = 136,605.92/x
  3. Step 3: Cross multiply
    217,109.39x = 299,627.57 × 136,605.92
  4. Step 4: Simplify right side
    217,109.39x = 40,930,898,700.59
  5. Step 5: Solve for x
    x = 40,930,898,700.59/217,109.39
  6. Step 6: Final answer
    x = 188,526.62

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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.