Home / 130,614.26-195,921.42-86,230.64

Finding the Fourth Proportional to 130,614.26, 195,921.42 and 86,230.64

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Solution

The fourth proportional to 130,614.26, 195,921.42 and 86,230.64 is: 129,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,614.26 : 195,921.42 = 86,230.64 : x
  2. Step 2: Convert to fraction form
    130,614.26/195,921.42 = 86,230.64/x
  3. Step 3: Cross multiply
    130,614.26x = 195,921.42 × 86,230.64
  4. Step 4: Simplify right side
    130,614.26x = 16,894,429,436.31
  5. Step 5: Solve for x
    x = 16,894,429,436.31/130,614.26
  6. Step 6: Final answer
    x = 129,345.98

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1.5x scale

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.