Home / 258,454.46-387,285.98-173,901.44

Finding the Fourth Proportional to 258,454.46, 387,285.98 and 173,901.44

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Solution

The fourth proportional to 258,454.46, 387,285.98 and 173,901.44 is: 260,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,454.46 : 387,285.98 = 173,901.44 : x
  2. Step 2: Convert to fraction form
    258,454.46/387,285.98 = 173,901.44/x
  3. Step 3: Cross multiply
    258,454.46x = 387,285.98 × 173,901.44
  4. Step 4: Simplify right side
    258,454.46x = 67,349,589,613.81
  5. Step 5: Solve for x
    x = 67,349,589,613.81/258,454.46
  6. Step 6: Final answer
    x = 260,585.91

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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.