Home / 158,941.13-219,358.20-91,873.13

Finding the Fourth Proportional to 158,941.13, 219,358.20 and 91,873.13

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Solution

The fourth proportional to 158,941.13, 219,358.20 and 91,873.13 is: 126,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,941.13 : 219,358.20 = 91,873.13 : x
  2. Step 2: Convert to fraction form
    158,941.13/219,358.20 = 91,873.13/x
  3. Step 3: Cross multiply
    158,941.13x = 219,358.20 × 91,873.13
  4. Step 4: Simplify right side
    158,941.13x = 20,153,123,328.38
  5. Step 5: Solve for x
    x = 20,153,123,328.38/158,941.13
  6. Step 6: Final answer
    x = 126,796.15

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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.