Home / 165,042.91-247,561.71-52,722.40

Finding the Fourth Proportional to 165,042.91, 247,561.71 and 52,722.40

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Solution

The fourth proportional to 165,042.91, 247,561.71 and 52,722.40 is: 79,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,042.91 : 247,561.71 = 52,722.40 : x
  2. Step 2: Convert to fraction form
    165,042.91/247,561.71 = 52,722.40/x
  3. Step 3: Cross multiply
    165,042.91x = 247,561.71 × 52,722.40
  4. Step 4: Simplify right side
    165,042.91x = 13,052,047,499.30
  5. Step 5: Solve for x
    x = 13,052,047,499.30/165,042.91
  6. Step 6: Final answer
    x = 79,082.75

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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.