Home / 163,023.80-224,983.74-91,408.46

Finding the Fourth Proportional to 163,023.80, 224,983.74 and 91,408.46

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Solution

The fourth proportional to 163,023.80, 224,983.74 and 91,408.46 is: 126,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,023.80 : 224,983.74 = 91,408.46 : x
  2. Step 2: Convert to fraction form
    163,023.80/224,983.74 = 91,408.46/x
  3. Step 3: Cross multiply
    163,023.80x = 224,983.74 × 91,408.46
  4. Step 4: Simplify right side
    163,023.80x = 20,565,417,198.44
  5. Step 5: Solve for x
    x = 20,565,417,198.44/163,023.80
  6. Step 6: Final answer
    x = 126,149.78

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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.