Home / 156,982.90-235,474.35-57,146.35

Finding the Fourth Proportional to 156,982.90, 235,474.35 and 57,146.35

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Solution

The fourth proportional to 156,982.90, 235,474.35 and 57,146.35 is: 85,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,982.90 : 235,474.35 = 57,146.35 : x
  2. Step 2: Convert to fraction form
    156,982.90/235,474.35 = 57,146.35/x
  3. Step 3: Cross multiply
    156,982.90x = 235,474.35 × 57,146.35
  4. Step 4: Simplify right side
    156,982.90x = 13,456,499,621.12
  5. Step 5: Solve for x
    x = 13,456,499,621.12/156,982.90
  6. Step 6: Final answer
    x = 85,719.53

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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.