Home / 202,117.58-278,934.54-111,473.18

Finding the Fourth Proportional to 202,117.58, 278,934.54 and 111,473.18

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Solution

The fourth proportional to 202,117.58, 278,934.54 and 111,473.18 is: 153,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,117.58 : 278,934.54 = 111,473.18 : x
  2. Step 2: Convert to fraction form
    202,117.58/278,934.54 = 111,473.18/x
  3. Step 3: Cross multiply
    202,117.58x = 278,934.54 × 111,473.18
  4. Step 4: Simplify right side
    202,117.58x = 31,093,720,185.64
  5. Step 5: Solve for x
    x = 31,093,720,185.64/202,117.58
  6. Step 6: Final answer
    x = 153,839.76

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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.