Home / 156,734.84-216,294.12-85,114.85

Finding the Fourth Proportional to 156,734.84, 216,294.12 and 85,114.85

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Solution

The fourth proportional to 156,734.84, 216,294.12 and 85,114.85 is: 117,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,734.84 : 216,294.12 = 85,114.85 : x
  2. Step 2: Convert to fraction form
    156,734.84/216,294.12 = 85,114.85/x
  3. Step 3: Cross multiply
    156,734.84x = 216,294.12 × 85,114.85
  4. Step 4: Simplify right side
    156,734.84x = 18,409,840,498.21
  5. Step 5: Solve for x
    x = 18,409,840,498.21/156,734.84
  6. Step 6: Final answer
    x = 117,458.51

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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.