Home / 155,747.80-233,731.05-67,064.95

Finding the Fourth Proportional to 155,747.80, 233,731.05 and 67,064.95

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Solution

The fourth proportional to 155,747.80, 233,731.05 and 67,064.95 is: 100,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,747.80 : 233,731.05 = 67,064.95 : x
  2. Step 2: Convert to fraction form
    155,747.80/233,731.05 = 67,064.95/x
  3. Step 3: Cross multiply
    155,747.80x = 233,731.05 × 67,064.95
  4. Step 4: Simplify right side
    155,747.80x = 15,675,161,181.70
  5. Step 5: Solve for x
    x = 15,675,161,181.70/155,747.80
  6. Step 6: Final answer
    x = 100,644.51

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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.