Home / 174,171.51-261,347.18-74,304.90

Finding the Fourth Proportional to 174,171.51, 261,347.18 and 74,304.90

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Solution

The fourth proportional to 174,171.51, 261,347.18 and 74,304.90 is: 111,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,171.51 : 261,347.18 = 74,304.90 : x
  2. Step 2: Convert to fraction form
    174,171.51/261,347.18 = 74,304.90/x
  3. Step 3: Cross multiply
    174,171.51x = 261,347.18 × 74,304.90
  4. Step 4: Simplify right side
    174,171.51x = 19,419,375,703.66
  5. Step 5: Solve for x
    x = 19,419,375,703.66/174,171.51
  6. Step 6: Final answer
    x = 111,495.71

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1.5x scale

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.