Home / 156,798.20-216,167.26-107,738.32

Finding the Fourth Proportional to 156,798.20, 216,167.26 and 107,738.32

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Solution

The fourth proportional to 156,798.20, 216,167.26 and 107,738.32 is: 148,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,798.20 : 216,167.26 = 107,738.32 : x
  2. Step 2: Convert to fraction form
    156,798.20/216,167.26 = 107,738.32/x
  3. Step 3: Cross multiply
    156,798.20x = 216,167.26 × 107,738.32
  4. Step 4: Simplify right side
    156,798.20x = 23,289,497,431.40
  5. Step 5: Solve for x
    x = 23,289,497,431.40/156,798.20
  6. Step 6: Final answer
    x = 148,531.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.