Home / 156,972.90-235,459.35-50,356.65

Finding the Fourth Proportional to 156,972.90, 235,459.35 and 50,356.65

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Solution

The fourth proportional to 156,972.90, 235,459.35 and 50,356.65 is: 75,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,972.90 : 235,459.35 = 50,356.65 : x
  2. Step 2: Convert to fraction form
    156,972.90/235,459.35 = 50,356.65/x
  3. Step 3: Cross multiply
    156,972.90x = 235,459.35 × 50,356.65
  4. Step 4: Simplify right side
    156,972.90x = 11,856,944,077.18
  5. Step 5: Solve for x
    x = 11,856,944,077.18/156,972.90
  6. Step 6: Final answer
    x = 75,534.98

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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.