Home / 156,974.90-235,462.35-38,644.70

Finding the Fourth Proportional to 156,974.90, 235,462.35 and 38,644.70

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Solution

The fourth proportional to 156,974.90, 235,462.35 and 38,644.70 is: 57,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.90 : 235,462.35 = 38,644.70 : x
  2. Step 2: Convert to fraction form
    156,974.90/235,462.35 = 38,644.70/x
  3. Step 3: Cross multiply
    156,974.90x = 235,462.35 × 38,644.70
  4. Step 4: Simplify right side
    156,974.90x = 9,099,371,877.05
  5. Step 5: Solve for x
    x = 9,099,371,877.05/156,974.90
  6. Step 6: Final answer
    x = 57,967.05

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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.