Home / 147,095.30-220,568.07-72,221.06

Finding the Fourth Proportional to 147,095.30, 220,568.07 and 72,221.06

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Solution

The fourth proportional to 147,095.30, 220,568.07 and 72,221.06 is: 108,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,095.30 : 220,568.07 = 72,221.06 : x
  2. Step 2: Convert to fraction form
    147,095.30/220,568.07 = 72,221.06/x
  3. Step 3: Cross multiply
    147,095.30x = 220,568.07 × 72,221.06
  4. Step 4: Simplify right side
    147,095.30x = 15,929,659,817.55
  5. Step 5: Solve for x
    x = 15,929,659,817.55/147,095.30
  6. Step 6: Final answer
    x = 108,294.83

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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.