Home / 155,226.19-232,644.51-66,375.22

Finding the Fourth Proportional to 155,226.19, 232,644.51 and 66,375.22

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Solution

The fourth proportional to 155,226.19, 232,644.51 and 66,375.22 is: 99,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,226.19 : 232,644.51 = 66,375.22 : x
  2. Step 2: Convert to fraction form
    155,226.19/232,644.51 = 66,375.22/x
  3. Step 3: Cross multiply
    155,226.19x = 232,644.51 × 66,375.22
  4. Step 4: Simplify right side
    155,226.19x = 15,441,829,120.91
  5. Step 5: Solve for x
    x = 15,441,829,120.91/155,226.19
  6. Step 6: Final answer
    x = 99,479.53

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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.