Home / 112,269.88-154,928.58-66,924.50

Finding the Fourth Proportional to 112,269.88, 154,928.58 and 66,924.50

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Solution

The fourth proportional to 112,269.88, 154,928.58 and 66,924.50 is: 92,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269.88 : 154,928.58 = 66,924.50 : x
  2. Step 2: Convert to fraction form
    112,269.88/154,928.58 = 66,924.50/x
  3. Step 3: Cross multiply
    112,269.88x = 154,928.58 × 66,924.50
  4. Step 4: Simplify right side
    112,269.88x = 10,368,517,752.21
  5. Step 5: Solve for x
    x = 10,368,517,752.21/112,269.88
  6. Step 6: Final answer
    x = 92,353.51

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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.