Home / 156,792.30-235,188.45-51,621.90

Finding the Fourth Proportional to 156,792.30, 235,188.45 and 51,621.90

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Solution

The fourth proportional to 156,792.30, 235,188.45 and 51,621.90 is: 77,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,792.30 : 235,188.45 = 51,621.90 : x
  2. Step 2: Convert to fraction form
    156,792.30/235,188.45 = 51,621.90/x
  3. Step 3: Cross multiply
    156,792.30x = 235,188.45 × 51,621.90
  4. Step 4: Simplify right side
    156,792.30x = 12,140,874,647.06
  5. Step 5: Solve for x
    x = 12,140,874,647.06/156,792.30
  6. Step 6: Final answer
    x = 77,432.85

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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.