Home / 389,010.12-583,613.58-108,527.16

Finding the Fourth Proportional to 389,010.12, 583,613.58 and 108,527.16

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Solution

The fourth proportional to 389,010.12, 583,613.58 and 108,527.16 is: 162,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,010.12 : 583,613.58 = 108,527.16 : x
  2. Step 2: Convert to fraction form
    389,010.12/583,613.58 = 108,527.16/x
  3. Step 3: Cross multiply
    389,010.12x = 583,613.58 × 108,527.16
  4. Step 4: Simplify right side
    389,010.12x = 63,337,924,374.83
  5. Step 5: Solve for x
    x = 63,337,924,374.83/389,010.12
  6. Step 6: Final answer
    x = 162,818.19

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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.