Home / 147,096.76-220,698.60-72,209.04

Finding the Fourth Proportional to 147,096.76, 220,698.60 and 72,209.04

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Solution

The fourth proportional to 147,096.76, 220,698.60 and 72,209.04 is: 108,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,096.76 : 220,698.60 = 72,209.04 : x
  2. Step 2: Convert to fraction form
    147,096.76/220,698.60 = 72,209.04/x
  3. Step 3: Cross multiply
    147,096.76x = 220,698.60 × 72,209.04
  4. Step 4: Simplify right side
    147,096.76x = 15,936,434,035.34
  5. Step 5: Solve for x
    x = 15,936,434,035.34/147,096.76
  6. Step 6: Final answer
    x = 108,339.80

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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.