Home / 158,838.17-238,393.94-92,185.70

Finding the Fourth Proportional to 158,838.17, 238,393.94 and 92,185.70

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Solution

The fourth proportional to 158,838.17, 238,393.94 and 92,185.70 is: 138,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,838.17 : 238,393.94 = 92,185.70 : x
  2. Step 2: Convert to fraction form
    158,838.17/238,393.94 = 92,185.70/x
  3. Step 3: Cross multiply
    158,838.17x = 238,393.94 × 92,185.70
  4. Step 4: Simplify right side
    158,838.17x = 21,976,510,581.76
  5. Step 5: Solve for x
    x = 21,976,510,581.76/158,838.17
  6. Step 6: Final answer
    x = 138,357.87

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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.