Home / 435,837.20-653,626.20-169,444.40

Finding the Fourth Proportional to 435,837.20, 653,626.20 and 169,444.40

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Solution

The fourth proportional to 435,837.20, 653,626.20 and 169,444.40 is: 254,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,837.20 : 653,626.20 = 169,444.40 : x
  2. Step 2: Convert to fraction form
    435,837.20/653,626.20 = 169,444.40/x
  3. Step 3: Cross multiply
    435,837.20x = 653,626.20 × 169,444.40
  4. Step 4: Simplify right side
    435,837.20x = 110,753,299,283.28
  5. Step 5: Solve for x
    x = 110,753,299,283.28/435,837.20
  6. Step 6: Final answer
    x = 254,116.21

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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.