Home / 158,134.83-218,359.04-112,951.41

Finding the Fourth Proportional to 158,134.83, 218,359.04 and 112,951.41

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Solution

The fourth proportional to 158,134.83, 218,359.04 and 112,951.41 is: 155,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,134.83 : 218,359.04 = 112,951.41 : x
  2. Step 2: Convert to fraction form
    158,134.83/218,359.04 = 112,951.41/x
  3. Step 3: Cross multiply
    158,134.83x = 218,359.04 × 112,951.41
  4. Step 4: Simplify right side
    158,134.83x = 24,663,960,889.49
  5. Step 5: Solve for x
    x = 24,663,960,889.49/158,134.83
  6. Step 6: Final answer
    x = 155,967.92

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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.