Home / 389,008.12-583,610.58-108,525.16

Finding the Fourth Proportional to 389,008.12, 583,610.58 and 108,525.16

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Solution

The fourth proportional to 389,008.12, 583,610.58 and 108,525.16 is: 162,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,008.12 : 583,610.58 = 108,525.16 : x
  2. Step 2: Convert to fraction form
    389,008.12/583,610.58 = 108,525.16/x
  3. Step 3: Cross multiply
    389,008.12x = 583,610.58 × 108,525.16
  4. Step 4: Simplify right side
    389,008.12x = 63,336,431,572.19
  5. Step 5: Solve for x
    x = 63,336,431,572.19/389,008.12
  6. Step 6: Final answer
    x = 162,815.19

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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.