Home / 130,702.30-196,136.31-55,822.83

Finding the Fourth Proportional to 130,702.30, 196,136.31 and 55,822.83

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Solution

The fourth proportional to 130,702.30, 196,136.31 and 55,822.83 is: 83,769.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,702.30 : 196,136.31 = 55,822.83 : x
  2. Step 2: Convert to fraction form
    130,702.30/196,136.31 = 55,822.83/x
  3. Step 3: Cross multiply
    130,702.30x = 196,136.31 × 55,822.83
  4. Step 4: Simplify right side
    130,702.30x = 10,948,884,585.86
  5. Step 5: Solve for x
    x = 10,948,884,585.86/130,702.30
  6. Step 6: Final answer
    x = 83,769.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.