Home / 193,269.12-289,972.74-117,521.78

Finding the Fourth Proportional to 193,269.12, 289,972.74 and 117,521.78

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Solution

The fourth proportional to 193,269.12, 289,972.74 and 117,521.78 is: 176,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,269.12 : 289,972.74 = 117,521.78 : x
  2. Step 2: Convert to fraction form
    193,269.12/289,972.74 = 117,521.78/x
  3. Step 3: Cross multiply
    193,269.12x = 289,972.74 × 117,521.78
  4. Step 4: Simplify right side
    193,269.12x = 34,078,111,106.41
  5. Step 5: Solve for x
    x = 34,078,111,106.41/193,269.12
  6. Step 6: Final answer
    x = 176,324.66

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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.