Home / 165,742.70-248,614.05-54,934.70

Finding the Fourth Proportional to 165,742.70, 248,614.05 and 54,934.70

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Solution

The fourth proportional to 165,742.70, 248,614.05 and 54,934.70 is: 82,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742.70 : 248,614.05 = 54,934.70 : x
  2. Step 2: Convert to fraction form
    165,742.70/248,614.05 = 54,934.70/x
  3. Step 3: Cross multiply
    165,742.70x = 248,614.05 × 54,934.70
  4. Step 4: Simplify right side
    165,742.70x = 13,657,538,252.54
  5. Step 5: Solve for x
    x = 13,657,538,252.54/165,742.70
  6. Step 6: Final answer
    x = 82,402.05

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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.