Home / 387,051.03-580,613.19-150,411.96

Finding the Fourth Proportional to 387,051.03, 580,613.19 and 150,411.96

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Solution

The fourth proportional to 387,051.03, 580,613.19 and 150,411.96 is: 225,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,051.03 : 580,613.19 = 150,411.96 : x
  2. Step 2: Convert to fraction form
    387,051.03/580,613.19 = 150,411.96/x
  3. Step 3: Cross multiply
    387,051.03x = 580,613.19 × 150,411.96
  4. Step 4: Simplify right side
    387,051.03x = 87,331,167,909.75
  5. Step 5: Solve for x
    x = 87,331,167,909.75/387,051.03
  6. Step 6: Final answer
    x = 225,632.18

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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.