Home / 156,954.05-216,592.13-85,332.41

Finding the Fourth Proportional to 156,954.05, 216,592.13 and 85,332.41

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Solution

The fourth proportional to 156,954.05, 216,592.13 and 85,332.41 is: 117,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.05 : 216,592.13 = 85,332.41 : x
  2. Step 2: Convert to fraction form
    156,954.05/216,592.13 = 85,332.41/x
  3. Step 3: Cross multiply
    156,954.05x = 216,592.13 × 85,332.41
  4. Step 4: Simplify right side
    156,954.05x = 18,482,328,439.93
  5. Step 5: Solve for x
    x = 18,482,328,439.93/156,954.05
  6. Step 6: Final answer
    x = 117,756.30

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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.