Home / 194,980.32-269,091-118,481.76

Finding the Fourth Proportional to 194,980.32, 269,091 and 118,481.76

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Solution

The fourth proportional to 194,980.32, 269,091 and 118,481.76 is: 163,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,980.32 : 269,091 = 118,481.76 : x
  2. Step 2: Convert to fraction form
    194,980.32/269,091 = 118,481.76/x
  3. Step 3: Cross multiply
    194,980.32x = 269,091 × 118,481.76
  4. Step 4: Simplify right side
    194,980.32x = 31,882,375,280.16
  5. Step 5: Solve for x
    x = 31,882,375,280.16/194,980.32
  6. Step 6: Final answer
    x = 163,515.86

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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.