Home / 435,824.70-653,607.45-169,431.90

Finding the Fourth Proportional to 435,824.70, 653,607.45 and 169,431.90

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Solution

The fourth proportional to 435,824.70, 653,607.45 and 169,431.90 is: 254,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,824.70 : 653,607.45 = 169,431.90 : x
  2. Step 2: Convert to fraction form
    435,824.70/653,607.45 = 169,431.90/x
  3. Step 3: Cross multiply
    435,824.70x = 653,607.45 × 169,431.90
  4. Step 4: Simplify right side
    435,824.70x = 110,741,952,107.66
  5. Step 5: Solve for x
    x = 110,741,952,107.66/435,824.70
  6. Step 6: Final answer
    x = 254,097.47

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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.