Home / 258,426.47-387,244.01-173,873.41

Finding the Fourth Proportional to 258,426.47, 387,244.01 and 173,873.41

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Solution

The fourth proportional to 258,426.47, 387,244.01 and 173,873.41 is: 260,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,426.47 : 387,244.01 = 173,873.41 : x
  2. Step 2: Convert to fraction form
    258,426.47/387,244.01 = 173,873.41/x
  3. Step 3: Cross multiply
    258,426.47x = 387,244.01 × 173,873.41
  4. Step 4: Simplify right side
    258,426.47x = 67,331,435,987.35
  5. Step 5: Solve for x
    x = 67,331,435,987.35/258,426.47
  6. Step 6: Final answer
    x = 260,543.88

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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.