Home / 156,926.09-216,555.44-85,307.92

Finding the Fourth Proportional to 156,926.09, 216,555.44 and 85,307.92

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Solution

The fourth proportional to 156,926.09, 216,555.44 and 85,307.92 is: 117,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926.09 : 216,555.44 = 85,307.92 : x
  2. Step 2: Convert to fraction form
    156,926.09/216,555.44 = 85,307.92/x
  3. Step 3: Cross multiply
    156,926.09x = 216,555.44 × 85,307.92
  4. Step 4: Simplify right side
    156,926.09x = 18,473,893,183.16
  5. Step 5: Solve for x
    x = 18,473,893,183.16/156,926.09
  6. Step 6: Final answer
    x = 117,723.53

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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.