Home / 435,534.20-653,495.70-155,252.60

Finding the Fourth Proportional to 435,534.20, 653,495.70 and 155,252.60

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Solution

The fourth proportional to 435,534.20, 653,495.70 and 155,252.60 is: 232,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,534.20 : 653,495.70 = 155,252.60 : x
  2. Step 2: Convert to fraction form
    435,534.20/653,495.70 = 155,252.60/x
  3. Step 3: Cross multiply
    435,534.20x = 653,495.70 × 155,252.60
  4. Step 4: Simplify right side
    435,534.20x = 101,456,906,513.82
  5. Step 5: Solve for x
    x = 101,456,906,513.82/435,534.20
  6. Step 6: Final answer
    x = 232,948.20

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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.