Home / 156,861.45-216,500.22-93,186.95

Finding the Fourth Proportional to 156,861.45, 216,500.22 and 93,186.95

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Solution

The fourth proportional to 156,861.45, 216,500.22 and 93,186.95 is: 128,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,861.45 : 216,500.22 = 93,186.95 : x
  2. Step 2: Convert to fraction form
    156,861.45/216,500.22 = 93,186.95/x
  3. Step 3: Cross multiply
    156,861.45x = 216,500.22 × 93,186.95
  4. Step 4: Simplify right side
    156,861.45x = 20,174,994,093.63
  5. Step 5: Solve for x
    x = 20,174,994,093.63/156,861.45
  6. Step 6: Final answer
    x = 128,616.65

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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.