Home / 174,630.14-261,726.04-74,672.78

Finding the Fourth Proportional to 174,630.14, 261,726.04 and 74,672.78

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Solution

The fourth proportional to 174,630.14, 261,726.04 and 74,672.78 is: 111,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,630.14 : 261,726.04 = 74,672.78 : x
  2. Step 2: Convert to fraction form
    174,630.14/261,726.04 = 74,672.78/x
  3. Step 3: Cross multiply
    174,630.14x = 261,726.04 × 74,672.78
  4. Step 4: Simplify right side
    174,630.14x = 19,543,811,005.19
  5. Step 5: Solve for x
    x = 19,543,811,005.19/174,630.14
  6. Step 6: Final answer
    x = 111,915.45

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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.