Home / 166,724.32-230,079.57-91,272.82

Finding the Fourth Proportional to 166,724.32, 230,079.57 and 91,272.82

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Solution

The fourth proportional to 166,724.32, 230,079.57 and 91,272.82 is: 125,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,724.32 : 230,079.57 = 91,272.82 : x
  2. Step 2: Convert to fraction form
    166,724.32/230,079.57 = 91,272.82/x
  3. Step 3: Cross multiply
    166,724.32x = 230,079.57 × 91,272.82
  4. Step 4: Simplify right side
    166,724.32x = 21,000,011,178.29
  5. Step 5: Solve for x
    x = 21,000,011,178.29/166,724.32
  6. Step 6: Final answer
    x = 125,956.50

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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.