Home / 252,232.01-378,349.38-74,740.56

Finding the Fourth Proportional to 252,232.01, 378,349.38 and 74,740.56

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Solution

The fourth proportional to 252,232.01, 378,349.38 and 74,740.56 is: 112,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,232.01 : 378,349.38 = 74,740.56 : x
  2. Step 2: Convert to fraction form
    252,232.01/378,349.38 = 74,740.56/x
  3. Step 3: Cross multiply
    252,232.01x = 378,349.38 × 74,740.56
  4. Step 4: Simplify right side
    252,232.01x = 28,278,044,536.85
  5. Step 5: Solve for x
    x = 28,278,044,536.85/252,232.01
  6. Step 6: Final answer
    x = 112,111.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.