Home / 435,555.20-653,023.92-169,091.12

Finding the Fourth Proportional to 435,555.20, 653,023.92 and 169,091.12

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Solution

The fourth proportional to 435,555.20, 653,023.92 and 169,091.12 is: 253,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,555.20 : 653,023.92 = 169,091.12 : x
  2. Step 2: Convert to fraction form
    435,555.20/653,023.92 = 169,091.12/x
  3. Step 3: Cross multiply
    435,555.20x = 653,023.92 × 169,091.12
  4. Step 4: Simplify right side
    435,555.20x = 110,420,546,019.59
  5. Step 5: Solve for x
    x = 110,420,546,019.59/435,555.20
  6. Step 6: Final answer
    x = 253,516.77

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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.