Home / 156,861.78-235,306.77-44,543.10

Finding the Fourth Proportional to 156,861.78, 235,306.77 and 44,543.10

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Solution

The fourth proportional to 156,861.78, 235,306.77 and 44,543.10 is: 66,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,861.78 : 235,306.77 = 44,543.10 : x
  2. Step 2: Convert to fraction form
    156,861.78/235,306.77 = 44,543.10/x
  3. Step 3: Cross multiply
    156,861.78x = 235,306.77 × 44,543.10
  4. Step 4: Simplify right side
    156,861.78x = 10,481,292,986.79
  5. Step 5: Solve for x
    x = 10,481,292,986.79/156,861.78
  6. Step 6: Final answer
    x = 66,818.65

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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.