Home / 147,140.04-220,742.72-53,645.52

Finding the Fourth Proportional to 147,140.04, 220,742.72 and 53,645.52

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Solution

The fourth proportional to 147,140.04, 220,742.72 and 53,645.52 is: 80,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,140.04 : 220,742.72 = 53,645.52 : x
  2. Step 2: Convert to fraction form
    147,140.04/220,742.72 = 53,645.52/x
  3. Step 3: Cross multiply
    147,140.04x = 220,742.72 × 53,645.52
  4. Step 4: Simplify right side
    147,140.04x = 11,841,858,000.61
  5. Step 5: Solve for x
    x = 11,841,858,000.61/147,140.04
  6. Step 6: Final answer
    x = 80,480.19

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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.