Home / 174,076.90-261,142.35-74,237.38

Finding the Fourth Proportional to 174,076.90, 261,142.35 and 74,237.38

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Solution

The fourth proportional to 174,076.90, 261,142.35 and 74,237.38 is: 111,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,076.90 : 261,142.35 = 74,237.38 : x
  2. Step 2: Convert to fraction form
    174,076.90/261,142.35 = 74,237.38/x
  3. Step 3: Cross multiply
    174,076.90x = 261,142.35 × 74,237.38
  4. Step 4: Simplify right side
    174,076.90x = 19,386,523,871.04
  5. Step 5: Solve for x
    x = 19,386,523,871.04/174,076.90
  6. Step 6: Final answer
    x = 111,367.58

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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.