Home / 112,274.40-154,885.88-66,926.56

Finding the Fourth Proportional to 112,274.40, 154,885.88 and 66,926.56

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Solution

The fourth proportional to 112,274.40, 154,885.88 and 66,926.56 is: 92,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,274.40 : 154,885.88 = 66,926.56 : x
  2. Step 2: Convert to fraction form
    112,274.40/154,885.88 = 66,926.56/x
  3. Step 3: Cross multiply
    112,274.40x = 154,885.88 × 66,926.56
  4. Step 4: Simplify right side
    112,274.40x = 10,365,979,140.97
  5. Step 5: Solve for x
    x = 10,365,979,140.97/112,274.40
  6. Step 6: Final answer
    x = 92,327.18

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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.