Home / 135,117.20-186,461.78-73,863.66

Finding the Fourth Proportional to 135,117.20, 186,461.78 and 73,863.66

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Solution

The fourth proportional to 135,117.20, 186,461.78 and 73,863.66 is: 101,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,117.20 : 186,461.78 = 73,863.66 : x
  2. Step 2: Convert to fraction form
    135,117.20/186,461.78 = 73,863.66/x
  3. Step 3: Cross multiply
    135,117.20x = 186,461.78 × 73,863.66
  4. Step 4: Simplify right side
    135,117.20x = 13,772,749,520.91
  5. Step 5: Solve for x
    x = 13,772,749,520.91/135,117.20
  6. Step 6: Final answer
    x = 101,931.87

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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.