Home / 156,984.09-235,951.92-103,857.30

Finding the Fourth Proportional to 156,984.09, 235,951.92 and 103,857.30

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Solution

The fourth proportional to 156,984.09, 235,951.92 and 103,857.30 is: 156,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,984.09 : 235,951.92 = 103,857.30 : x
  2. Step 2: Convert to fraction form
    156,984.09/235,951.92 = 103,857.30/x
  3. Step 3: Cross multiply
    156,984.09x = 235,951.92 × 103,857.30
  4. Step 4: Simplify right side
    156,984.09x = 24,505,329,341.02
  5. Step 5: Solve for x
    x = 24,505,329,341.02/156,984.09
  6. Step 6: Final answer
    x = 156,100.72

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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.