Home / 130,627.55-195,842.61-67,420.22

Finding the Fourth Proportional to 130,627.55, 195,842.61 and 67,420.22

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Solution

The fourth proportional to 130,627.55, 195,842.61 and 67,420.22 is: 101,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,627.55 : 195,842.61 = 67,420.22 : x
  2. Step 2: Convert to fraction form
    130,627.55/195,842.61 = 67,420.22/x
  3. Step 3: Cross multiply
    130,627.55x = 195,842.61 × 67,420.22
  4. Step 4: Simplify right side
    130,627.55x = 13,203,750,872.36
  5. Step 5: Solve for x
    x = 13,203,750,872.36/130,627.55
  6. Step 6: Final answer
    x = 101,079.37

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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.