Home / 174,764.11-261,582.32-90,408.12

Finding the Fourth Proportional to 174,764.11, 261,582.32 and 90,408.12

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Solution

The fourth proportional to 174,764.11, 261,582.32 and 90,408.12 is: 135,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,764.11 : 261,582.32 = 90,408.12 : x
  2. Step 2: Convert to fraction form
    174,764.11/261,582.32 = 90,408.12/x
  3. Step 3: Cross multiply
    174,764.11x = 261,582.32 × 90,408.12
  4. Step 4: Simplify right side
    174,764.11x = 23,649,165,776.44
  5. Step 5: Solve for x
    x = 23,649,165,776.44/174,764.11
  6. Step 6: Final answer
    x = 135,320.49

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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.