Home / 156,544.38-215,948.52-111,240.66

Finding the Fourth Proportional to 156,544.38, 215,948.52 and 111,240.66

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Solution

The fourth proportional to 156,544.38, 215,948.52 and 111,240.66 is: 153,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,544.38 : 215,948.52 = 111,240.66 : x
  2. Step 2: Convert to fraction form
    156,544.38/215,948.52 = 111,240.66/x
  3. Step 3: Cross multiply
    156,544.38x = 215,948.52 × 111,240.66
  4. Step 4: Simplify right side
    156,544.38x = 24,022,255,890.82
  5. Step 5: Solve for x
    x = 24,022,255,890.82/156,544.38
  6. Step 6: Final answer
    x = 153,453.33

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1.5x scale

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.