Home / 156,601.32-216,110.39-84,981.34

Finding the Fourth Proportional to 156,601.32, 216,110.39 and 84,981.34

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Solution

The fourth proportional to 156,601.32, 216,110.39 and 84,981.34 is: 117,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,601.32 : 216,110.39 = 84,981.34 : x
  2. Step 2: Convert to fraction form
    156,601.32/216,110.39 = 84,981.34/x
  3. Step 3: Cross multiply
    156,601.32x = 216,110.39 × 84,981.34
  4. Step 4: Simplify right side
    156,601.32x = 18,365,350,530.12
  5. Step 5: Solve for x
    x = 18,365,350,530.12/156,601.32
  6. Step 6: Final answer
    x = 117,274.56

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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.