Home / 156,946.89-216,589.07-85,326.75

Finding the Fourth Proportional to 156,946.89, 216,589.07 and 85,326.75

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Solution

The fourth proportional to 156,946.89, 216,589.07 and 85,326.75 is: 117,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,946.89 : 216,589.07 = 85,326.75 : x
  2. Step 2: Convert to fraction form
    156,946.89/216,589.07 = 85,326.75/x
  3. Step 3: Cross multiply
    156,946.89x = 216,589.07 × 85,326.75
  4. Step 4: Simplify right side
    156,946.89x = 18,480,841,428.62
  5. Step 5: Solve for x
    x = 18,480,841,428.62/156,946.89
  6. Step 6: Final answer
    x = 117,752.20

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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.