Home / 156,680.54-216,219.15-85,060.46

Finding the Fourth Proportional to 156,680.54, 216,219.15 and 85,060.46

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Solution

The fourth proportional to 156,680.54, 216,219.15 and 85,060.46 is: 117,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,680.54 : 216,219.15 = 85,060.46 : x
  2. Step 2: Convert to fraction form
    156,680.54/216,219.15 = 85,060.46/x
  3. Step 3: Cross multiply
    156,680.54x = 216,219.15 × 85,060.46
  4. Step 4: Simplify right side
    156,680.54x = 18,391,700,359.81
  5. Step 5: Solve for x
    x = 18,391,700,359.81/156,680.54
  6. Step 6: Final answer
    x = 117,383.44

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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.