Home / 147,149.60-220,720.68-99,008.33

Finding the Fourth Proportional to 147,149.60, 220,720.68 and 99,008.33

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Solution

The fourth proportional to 147,149.60, 220,720.68 and 99,008.33 is: 148,509.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,149.60 : 220,720.68 = 99,008.33 : x
  2. Step 2: Convert to fraction form
    147,149.60/220,720.68 = 99,008.33/x
  3. Step 3: Cross multiply
    147,149.60x = 220,720.68 × 99,008.33
  4. Step 4: Simplify right side
    147,149.60x = 21,853,184,819.66
  5. Step 5: Solve for x
    x = 21,853,184,819.66/147,149.60
  6. Step 6: Final answer
    x = 148,509.99

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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.