Home / 156,133.28-215,352.60-95,718.08

Finding the Fourth Proportional to 156,133.28, 215,352.60 and 95,718.08

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Solution

The fourth proportional to 156,133.28, 215,352.60 and 95,718.08 is: 132,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,133.28 : 215,352.60 = 95,718.08 : x
  2. Step 2: Convert to fraction form
    156,133.28/215,352.60 = 95,718.08/x
  3. Step 3: Cross multiply
    156,133.28x = 215,352.60 × 95,718.08
  4. Step 4: Simplify right side
    156,133.28x = 20,613,137,395.01
  5. Step 5: Solve for x
    x = 20,613,137,395.01/156,133.28
  6. Step 6: Final answer
    x = 132,022.70

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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.