Home / 156,601.55-216,110.70-84,981.56

Finding the Fourth Proportional to 156,601.55, 216,110.70 and 84,981.56

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Solution

The fourth proportional to 156,601.55, 216,110.70 and 84,981.56 is: 117,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,601.55 : 216,110.70 = 84,981.56 : x
  2. Step 2: Convert to fraction form
    156,601.55/216,110.70 = 84,981.56/x
  3. Step 3: Cross multiply
    156,601.55x = 216,110.70 × 84,981.56
  4. Step 4: Simplify right side
    156,601.55x = 18,365,423,338.14
  5. Step 5: Solve for x
    x = 18,365,423,338.14/156,601.55
  6. Step 6: Final answer
    x = 117,274.85

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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.