Home / 155,348.12-232,948.55-54,110.85

Finding the Fourth Proportional to 155,348.12, 232,948.55 and 54,110.85

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Solution

The fourth proportional to 155,348.12, 232,948.55 and 54,110.85 is: 81,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,348.12 : 232,948.55 = 54,110.85 : x
  2. Step 2: Convert to fraction form
    155,348.12/232,948.55 = 54,110.85/x
  3. Step 3: Cross multiply
    155,348.12x = 232,948.55 × 54,110.85
  4. Step 4: Simplify right side
    155,348.12x = 12,605,043,776.21
  5. Step 5: Solve for x
    x = 12,605,043,776.21/155,348.12
  6. Step 6: Final answer
    x = 81,140.63

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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.