Home / 120,363.39-180,562.67-36,130.19

Finding the Fourth Proportional to 120,363.39, 180,562.67 and 36,130.19

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Solution

The fourth proportional to 120,363.39, 180,562.67 and 36,130.19 is: 54,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,363.39 : 180,562.67 = 36,130.19 : x
  2. Step 2: Convert to fraction form
    120,363.39/180,562.67 = 36,130.19/x
  3. Step 3: Cross multiply
    120,363.39x = 180,562.67 × 36,130.19
  4. Step 4: Simplify right side
    120,363.39x = 6,523,763,574.01
  5. Step 5: Solve for x
    x = 6,523,763,574.01/120,363.39
  6. Step 6: Final answer
    x = 54,200.56

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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.