Home / 174,091.78-261,115.42-67,402.74

Finding the Fourth Proportional to 174,091.78, 261,115.42 and 67,402.74

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Solution

The fourth proportional to 174,091.78, 261,115.42 and 67,402.74 is: 101,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,091.78 : 261,115.42 = 67,402.74 : x
  2. Step 2: Convert to fraction form
    174,091.78/261,115.42 = 67,402.74/x
  3. Step 3: Cross multiply
    174,091.78x = 261,115.42 × 67,402.74
  4. Step 4: Simplify right side
    174,091.78x = 17,599,894,764.25
  5. Step 5: Solve for x
    x = 17,599,894,764.25/174,091.78
  6. Step 6: Final answer
    x = 101,095.50

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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.