Home / 130,425.68-195,612.60-63,837.20

Finding the Fourth Proportional to 130,425.68, 195,612.60 and 63,837.20

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Solution

The fourth proportional to 130,425.68, 195,612.60 and 63,837.20 is: 95,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,425.68 : 195,612.60 = 63,837.20 : x
  2. Step 2: Convert to fraction form
    130,425.68/195,612.60 = 63,837.20/x
  3. Step 3: Cross multiply
    130,425.68x = 195,612.60 × 63,837.20
  4. Step 4: Simplify right side
    130,425.68x = 12,487,360,668.72
  5. Step 5: Solve for x
    x = 12,487,360,668.72/130,425.68
  6. Step 6: Final answer
    x = 95,743.11

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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.