Home / 119,524.12-165,055.26-74,889.88

Finding the Fourth Proportional to 119,524.12, 165,055.26 and 74,889.88

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Solution

The fourth proportional to 119,524.12, 165,055.26 and 74,889.88 is: 103,418.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,524.12 : 165,055.26 = 74,889.88 : x
  2. Step 2: Convert to fraction form
    119,524.12/165,055.26 = 74,889.88/x
  3. Step 3: Cross multiply
    119,524.12x = 165,055.26 × 74,889.88
  4. Step 4: Simplify right side
    119,524.12x = 12,360,968,614.77
  5. Step 5: Solve for x
    x = 12,360,968,614.77/119,524.12
  6. Step 6: Final answer
    x = 103,418.19

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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.