Home / 228,134.60-314,820.10-126,165.76

Finding the Fourth Proportional to 228,134.60, 314,820.10 and 126,165.76

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Solution

The fourth proportional to 228,134.60, 314,820.10 and 126,165.76 is: 174,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,134.60 : 314,820.10 = 126,165.76 : x
  2. Step 2: Convert to fraction form
    228,134.60/314,820.10 = 126,165.76/x
  3. Step 3: Cross multiply
    228,134.60x = 314,820.10 × 126,165.76
  4. Step 4: Simplify right side
    228,134.60x = 39,719,517,179.78
  5. Step 5: Solve for x
    x = 39,719,517,179.78/228,134.60
  6. Step 6: Final answer
    x = 174,105.63

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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.