Home / 174,774.11-261,597.32-90,418.12

Finding the Fourth Proportional to 174,774.11, 261,597.32 and 90,418.12

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Solution

The fourth proportional to 174,774.11, 261,597.32 and 90,418.12 is: 135,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,774.11 : 261,597.32 = 90,418.12 : x
  2. Step 2: Convert to fraction form
    174,774.11/261,597.32 = 90,418.12/x
  3. Step 3: Cross multiply
    174,774.11x = 261,597.32 × 90,418.12
  4. Step 4: Simplify right side
    174,774.11x = 23,653,137,871.44
  5. Step 5: Solve for x
    x = 23,653,137,871.44/174,774.11
  6. Step 6: Final answer
    x = 135,335.48

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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.