Home / 156,659.94-216,025.38-111,290.76

Finding the Fourth Proportional to 156,659.94, 216,025.38 and 111,290.76

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Solution

The fourth proportional to 156,659.94, 216,025.38 and 111,290.76 is: 153,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,659.94 : 216,025.38 = 111,290.76 : x
  2. Step 2: Convert to fraction form
    156,659.94/216,025.38 = 111,290.76/x
  3. Step 3: Cross multiply
    156,659.94x = 216,025.38 × 111,290.76
  4. Step 4: Simplify right side
    156,659.94x = 24,041,628,719.49
  5. Step 5: Solve for x
    x = 24,041,628,719.49/156,659.94
  6. Step 6: Final answer
    x = 153,463.79

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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.