Home / 435,402.17-653,144.49-169,183.22

Finding the Fourth Proportional to 435,402.17, 653,144.49 and 169,183.22

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Solution

The fourth proportional to 435,402.17, 653,144.49 and 169,183.22 is: 253,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,402.17 : 653,144.49 = 169,183.22 : x
  2. Step 2: Convert to fraction form
    435,402.17/653,144.49 = 169,183.22/x
  3. Step 3: Cross multiply
    435,402.17x = 653,144.49 × 169,183.22
  4. Step 4: Simplify right side
    435,402.17x = 110,501,087,943.46
  5. Step 5: Solve for x
    x = 110,501,087,943.46/435,402.17
  6. Step 6: Final answer
    x = 253,790.85

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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.