Home / 130,425.10-195,565.56-40,442.86

Finding the Fourth Proportional to 130,425.10, 195,565.56 and 40,442.86

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Solution

The fourth proportional to 130,425.10, 195,565.56 and 40,442.86 is: 60,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,425.10 : 195,565.56 = 40,442.86 : x
  2. Step 2: Convert to fraction form
    130,425.10/195,565.56 = 40,442.86/x
  3. Step 3: Cross multiply
    130,425.10x = 195,565.56 × 40,442.86
  4. Step 4: Simplify right side
    130,425.10x = 7,909,230,563.90
  5. Step 5: Solve for x
    x = 7,909,230,563.90/130,425.10
  6. Step 6: Final answer
    x = 60,641.94

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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.