Home / 113,114.28-169,671.26-28,874.45

Finding the Fourth Proportional to 113,114.28, 169,671.26 and 28,874.45

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Solution

The fourth proportional to 113,114.28, 169,671.26 and 28,874.45 is: 43,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,114.28 : 169,671.26 = 28,874.45 : x
  2. Step 2: Convert to fraction form
    113,114.28/169,671.26 = 28,874.45/x
  3. Step 3: Cross multiply
    113,114.28x = 169,671.26 × 28,874.45
  4. Step 4: Simplify right side
    113,114.28x = 4,899,163,320.58
  5. Step 5: Solve for x
    x = 4,899,163,320.58/113,114.28
  6. Step 6: Final answer
    x = 43,311.63

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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.