Home / 130,738.60-195,848.70-71,468.20

Finding the Fourth Proportional to 130,738.60, 195,848.70 and 71,468.20

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Solution

The fourth proportional to 130,738.60, 195,848.70 and 71,468.20 is: 107,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,738.60 : 195,848.70 = 71,468.20 : x
  2. Step 2: Convert to fraction form
    130,738.60/195,848.70 = 71,468.20/x
  3. Step 3: Cross multiply
    130,738.60x = 195,848.70 × 71,468.20
  4. Step 4: Simplify right side
    130,738.60x = 13,996,954,061.34
  5. Step 5: Solve for x
    x = 13,996,954,061.34/130,738.60
  6. Step 6: Final answer
    x = 107,060.61

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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.