Home / 112,184.11-154,737-66,827.15

Finding the Fourth Proportional to 112,184.11, 154,737 and 66,827.15

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Solution

The fourth proportional to 112,184.11, 154,737 and 66,827.15 is: 92,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,184.11 : 154,737 = 66,827.15 : x
  2. Step 2: Convert to fraction form
    112,184.11/154,737 = 66,827.15/x
  3. Step 3: Cross multiply
    112,184.11x = 154,737 × 66,827.15
  4. Step 4: Simplify right side
    112,184.11x = 10,340,632,709.55
  5. Step 5: Solve for x
    x = 10,340,632,709.55/112,184.11
  6. Step 6: Final answer
    x = 92,175.56

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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.