Home / 123,268.76-185,343.29-113,525.68

Finding the Fourth Proportional to 123,268.76, 185,343.29 and 113,525.68

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Solution

The fourth proportional to 123,268.76, 185,343.29 and 113,525.68 is: 170,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,268.76 : 185,343.29 = 113,525.68 : x
  2. Step 2: Convert to fraction form
    123,268.76/185,343.29 = 113,525.68/x
  3. Step 3: Cross multiply
    123,268.76x = 185,343.29 × 113,525.68
  4. Step 4: Simplify right side
    123,268.76x = 21,041,221,536.34
  5. Step 5: Solve for x
    x = 21,041,221,536.34/123,268.76
  6. Step 6: Final answer
    x = 170,693.87

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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.