Home / 435,414.57-653,370.59-169,140.43

Finding the Fourth Proportional to 435,414.57, 653,370.59 and 169,140.43

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Solution

The fourth proportional to 435,414.57, 653,370.59 and 169,140.43 is: 253,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,414.57 : 653,370.59 = 169,140.43 : x
  2. Step 2: Convert to fraction form
    435,414.57/653,370.59 = 169,140.43/x
  3. Step 3: Cross multiply
    435,414.57x = 653,370.59 × 169,140.43
  4. Step 4: Simplify right side
    435,414.57x = 110,511,382,541.95
  5. Step 5: Solve for x
    x = 110,511,382,541.95/435,414.57
  6. Step 6: Final answer
    x = 253,807.27

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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.