Home / 120,565.14-180,810.77-83,364.27

Finding the Fourth Proportional to 120,565.14, 180,810.77 and 83,364.27

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Solution

The fourth proportional to 120,565.14, 180,810.77 and 83,364.27 is: 125,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,565.14 : 180,810.77 = 83,364.27 : x
  2. Step 2: Convert to fraction form
    120,565.14/180,810.77 = 83,364.27/x
  3. Step 3: Cross multiply
    120,565.14x = 180,810.77 × 83,364.27
  4. Step 4: Simplify right side
    120,565.14x = 15,073,157,084.55
  5. Step 5: Solve for x
    x = 15,073,157,084.55/120,565.14
  6. Step 6: Final answer
    x = 125,020.86

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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.