Home / 202,023.45-278,793.06-111,377.43

Finding the Fourth Proportional to 202,023.45, 278,793.06 and 111,377.43

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Solution

The fourth proportional to 202,023.45, 278,793.06 and 111,377.43 is: 153,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,023.45 : 278,793.06 = 111,377.43 : x
  2. Step 2: Convert to fraction form
    202,023.45/278,793.06 = 111,377.43/x
  3. Step 3: Cross multiply
    202,023.45x = 278,793.06 × 111,377.43
  4. Step 4: Simplify right side
    202,023.45x = 31,051,254,524.64
  5. Step 5: Solve for x
    x = 31,051,254,524.64/202,023.45
  6. Step 6: Final answer
    x = 153,701.24

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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.