Home / 261,104.40-391,685.89-234,285.51

Finding the Fourth Proportional to 261,104.40, 391,685.89 and 234,285.51

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Solution

The fourth proportional to 261,104.40, 391,685.89 and 234,285.51 is: 351,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,104.40 : 391,685.89 = 234,285.51 : x
  2. Step 2: Convert to fraction form
    261,104.40/391,685.89 = 234,285.51/x
  3. Step 3: Cross multiply
    261,104.40x = 391,685.89 × 234,285.51
  4. Step 4: Simplify right side
    261,104.40x = 91,766,330,150.31
  5. Step 5: Solve for x
    x = 91,766,330,150.31/261,104.40
  6. Step 6: Final answer
    x = 351,454.55

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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.