Home / 202,500.48-279,449.55-111,862.68

Finding the Fourth Proportional to 202,500.48, 279,449.55 and 111,862.68

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Solution

The fourth proportional to 202,500.48, 279,449.55 and 111,862.68 is: 154,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,500.48 : 279,449.55 = 111,862.68 : x
  2. Step 2: Convert to fraction form
    202,500.48/279,449.55 = 111,862.68/x
  3. Step 3: Cross multiply
    202,500.48x = 279,449.55 × 111,862.68
  4. Step 4: Simplify right side
    202,500.48x = 31,259,975,587.79
  5. Step 5: Solve for x
    x = 31,259,975,587.79/202,500.48
  6. Step 6: Final answer
    x = 154,369.88

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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.