Home / 148,547.20-222,772.20-55,040.80

Finding the Fourth Proportional to 148,547.20, 222,772.20 and 55,040.80

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Solution

The fourth proportional to 148,547.20, 222,772.20 and 55,040.80 is: 82,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,547.20 : 222,772.20 = 55,040.80 : x
  2. Step 2: Convert to fraction form
    148,547.20/222,772.20 = 55,040.80/x
  3. Step 3: Cross multiply
    148,547.20x = 222,772.20 × 55,040.80
  4. Step 4: Simplify right side
    148,547.20x = 12,261,560,105.76
  5. Step 5: Solve for x
    x = 12,261,560,105.76/148,547.20
  6. Step 6: Final answer
    x = 82,543.19

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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.