Home / 389,006.12-583,607.58-108,523.16

Finding the Fourth Proportional to 389,006.12, 583,607.58 and 108,523.16

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Solution

The fourth proportional to 389,006.12, 583,607.58 and 108,523.16 is: 162,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,006.12 : 583,607.58 = 108,523.16 : x
  2. Step 2: Convert to fraction form
    389,006.12/583,607.58 = 108,523.16/x
  3. Step 3: Cross multiply
    389,006.12x = 583,607.58 × 108,523.16
  4. Step 4: Simplify right side
    389,006.12x = 63,334,938,781.55
  5. Step 5: Solve for x
    x = 63,334,938,781.55/389,006.12
  6. Step 6: Final answer
    x = 162,812.19

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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.