Home / 147,001.03-220,500.73-53,506.78

Finding the Fourth Proportional to 147,001.03, 220,500.73 and 53,506.78

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Solution

The fourth proportional to 147,001.03, 220,500.73 and 53,506.78 is: 80,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,001.03 : 220,500.73 = 53,506.78 : x
  2. Step 2: Convert to fraction form
    147,001.03/220,500.73 = 53,506.78/x
  3. Step 3: Cross multiply
    147,001.03x = 220,500.73 × 53,506.78
  4. Step 4: Simplify right side
    147,001.03x = 11,798,284,049.95
  5. Step 5: Solve for x
    x = 11,798,284,049.95/147,001.03
  6. Step 6: Final answer
    x = 80,259.87

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1.5x scale

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.