Home / 168,895.74-253,343.40-67,739.46

Finding the Fourth Proportional to 168,895.74, 253,343.40 and 67,739.46

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Solution

The fourth proportional to 168,895.74, 253,343.40 and 67,739.46 is: 101,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,895.74 : 253,343.40 = 67,739.46 : x
  2. Step 2: Convert to fraction form
    168,895.74/253,343.40 = 67,739.46/x
  3. Step 3: Cross multiply
    168,895.74x = 253,343.40 × 67,739.46
  4. Step 4: Simplify right side
    168,895.74x = 17,161,345,110.56
  5. Step 5: Solve for x
    x = 17,161,345,110.56/168,895.74
  6. Step 6: Final answer
    x = 101,609.11

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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.