Home / 109,264.06-163,908.78-38,164.69

Finding the Fourth Proportional to 109,264.06, 163,908.78 and 38,164.69

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Solution

The fourth proportional to 109,264.06, 163,908.78 and 38,164.69 is: 57,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,264.06 : 163,908.78 = 38,164.69 : x
  2. Step 2: Convert to fraction form
    109,264.06/163,908.78 = 38,164.69/x
  3. Step 3: Cross multiply
    109,264.06x = 163,908.78 × 38,164.69
  4. Step 4: Simplify right side
    109,264.06x = 6,255,527,776.98
  5. Step 5: Solve for x
    x = 6,255,527,776.98/109,264.06
  6. Step 6: Final answer
    x = 57,251.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.