Home / 112,202.30-154,859.21-66,883.18

Finding the Fourth Proportional to 112,202.30, 154,859.21 and 66,883.18

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Solution

The fourth proportional to 112,202.30, 154,859.21 and 66,883.18 is: 92,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,202.30 : 154,859.21 = 66,883.18 : x
  2. Step 2: Convert to fraction form
    112,202.30/154,859.21 = 66,883.18/x
  3. Step 3: Cross multiply
    112,202.30x = 154,859.21 × 66,883.18
  4. Step 4: Simplify right side
    112,202.30x = 10,357,476,417.09
  5. Step 5: Solve for x
    x = 10,357,476,417.09/112,202.30
  6. Step 6: Final answer
    x = 92,310.73

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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.