Home / 202,559.29-279,507.96-111,909.85

Finding the Fourth Proportional to 202,559.29, 279,507.96 and 111,909.85

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Solution

The fourth proportional to 202,559.29, 279,507.96 and 111,909.85 is: 154,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,559.29 : 279,507.96 = 111,909.85 : x
  2. Step 2: Convert to fraction form
    202,559.29/279,507.96 = 111,909.85/x
  3. Step 3: Cross multiply
    202,559.29x = 279,507.96 × 111,909.85
  4. Step 4: Simplify right side
    202,559.29x = 31,279,693,178.64
  5. Step 5: Solve for x
    x = 31,279,693,178.64/202,559.29
  6. Step 6: Final answer
    x = 154,422.41

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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.