Home / 156,680.33-216,221.46-85,060.37

Finding the Fourth Proportional to 156,680.33, 216,221.46 and 85,060.37

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Solution

The fourth proportional to 156,680.33, 216,221.46 and 85,060.37 is: 117,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,680.33 : 216,221.46 = 85,060.37 : x
  2. Step 2: Convert to fraction form
    156,680.33/216,221.46 = 85,060.37/x
  3. Step 3: Cross multiply
    156,680.33x = 216,221.46 × 85,060.37
  4. Step 4: Simplify right side
    156,680.33x = 18,391,877,389.54
  5. Step 5: Solve for x
    x = 18,391,877,389.54/156,680.33
  6. Step 6: Final answer
    x = 117,384.72

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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.