Home / 109,956.12-151,639.26-92,995.92

Finding the Fourth Proportional to 109,956.12, 151,639.26 and 92,995.92

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Solution

The fourth proportional to 109,956.12, 151,639.26 and 92,995.92 is: 128,249.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,956.12 : 151,639.26 = 92,995.92 : x
  2. Step 2: Convert to fraction form
    109,956.12/151,639.26 = 92,995.92/x
  3. Step 3: Cross multiply
    109,956.12x = 151,639.26 × 92,995.92
  4. Step 4: Simplify right side
    109,956.12x = 14,101,832,491.82
  5. Step 5: Solve for x
    x = 14,101,832,491.82/109,956.12
  6. Step 6: Final answer
    x = 128,249.64

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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.