Home / 130,158.60-195,015.06-71,035.80

Finding the Fourth Proportional to 130,158.60, 195,015.06 and 71,035.80

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Solution

The fourth proportional to 130,158.60, 195,015.06 and 71,035.80 is: 106,432.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,158.60 : 195,015.06 = 71,035.80 : x
  2. Step 2: Convert to fraction form
    130,158.60/195,015.06 = 71,035.80/x
  3. Step 3: Cross multiply
    130,158.60x = 195,015.06 × 71,035.80
  4. Step 4: Simplify right side
    130,158.60x = 13,853,050,799.15
  5. Step 5: Solve for x
    x = 13,853,050,799.15/130,158.60
  6. Step 6: Final answer
    x = 106,432.08

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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.