Home / 156,836.39-235,122.33-68,023

Finding the Fourth Proportional to 156,836.39, 235,122.33 and 68,023

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Solution

The fourth proportional to 156,836.39, 235,122.33 and 68,023 is: 101,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,836.39 : 235,122.33 = 68,023 : x
  2. Step 2: Convert to fraction form
    156,836.39/235,122.33 = 68,023/x
  3. Step 3: Cross multiply
    156,836.39x = 235,122.33 × 68,023
  4. Step 4: Simplify right side
    156,836.39x = 15,993,726,253.59
  5. Step 5: Solve for x
    x = 15,993,726,253.59/156,836.39
  6. Step 6: Final answer
    x = 101,977.14

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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.