Home / 220,182.88-303,854.16-119,581.60

Finding the Fourth Proportional to 220,182.88, 303,854.16 and 119,581.60

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Solution

The fourth proportional to 220,182.88, 303,854.16 and 119,581.60 is: 165,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,182.88 : 303,854.16 = 119,581.60 : x
  2. Step 2: Convert to fraction form
    220,182.88/303,854.16 = 119,581.60/x
  3. Step 3: Cross multiply
    220,182.88x = 303,854.16 × 119,581.60
  4. Step 4: Simplify right side
    220,182.88x = 36,335,366,619.46
  5. Step 5: Solve for x
    x = 36,335,366,619.46/220,182.88
  6. Step 6: Final answer
    x = 165,023.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.