Home / 202,087.01-278,882.06-111,446.19

Finding the Fourth Proportional to 202,087.01, 278,882.06 and 111,446.19

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Solution

The fourth proportional to 202,087.01, 278,882.06 and 111,446.19 is: 153,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,087.01 : 278,882.06 = 111,446.19 : x
  2. Step 2: Convert to fraction form
    202,087.01/278,882.06 = 111,446.19/x
  3. Step 3: Cross multiply
    202,087.01x = 278,882.06 × 111,446.19
  4. Step 4: Simplify right side
    202,087.01x = 31,080,342,489.12
  5. Step 5: Solve for x
    x = 31,080,342,489.12/202,087.01
  6. Step 6: Final answer
    x = 153,796.83

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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.