Home / 209,260.48-288,785.12-113,773.76

Finding the Fourth Proportional to 209,260.48, 288,785.12 and 113,773.76

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Solution

The fourth proportional to 209,260.48, 288,785.12 and 113,773.76 is: 157,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,260.48 : 288,785.12 = 113,773.76 : x
  2. Step 2: Convert to fraction form
    209,260.48/288,785.12 = 113,773.76/x
  3. Step 3: Cross multiply
    209,260.48x = 288,785.12 × 113,773.76
  4. Step 4: Simplify right side
    209,260.48x = 32,856,168,934.45
  5. Step 5: Solve for x
    x = 32,856,168,934.45/209,260.48
  6. Step 6: Final answer
    x = 157,010.86

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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.