Home / 156,301.10-215,683.58-95,038.78

Finding the Fourth Proportional to 156,301.10, 215,683.58 and 95,038.78

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Solution

The fourth proportional to 156,301.10, 215,683.58 and 95,038.78 is: 131,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,301.10 : 215,683.58 = 95,038.78 : x
  2. Step 2: Convert to fraction form
    156,301.10/215,683.58 = 95,038.78/x
  3. Step 3: Cross multiply
    156,301.10x = 215,683.58 × 95,038.78
  4. Step 4: Simplify right side
    156,301.10x = 20,498,304,309.23
  5. Step 5: Solve for x
    x = 20,498,304,309.23/156,301.10
  6. Step 6: Final answer
    x = 131,146.26

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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.