Home / 161,774.82-223,249.57-90,153.41

Finding the Fourth Proportional to 161,774.82, 223,249.57 and 90,153.41

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Solution

The fourth proportional to 161,774.82, 223,249.57 and 90,153.41 is: 124,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,774.82 : 223,249.57 = 90,153.41 : x
  2. Step 2: Convert to fraction form
    161,774.82/223,249.57 = 90,153.41/x
  3. Step 3: Cross multiply
    161,774.82x = 223,249.57 × 90,153.41
  4. Step 4: Simplify right side
    161,774.82x = 20,126,708,674.90
  5. Step 5: Solve for x
    x = 20,126,708,674.90/161,774.82
  6. Step 6: Final answer
    x = 124,411.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.