Home / 112,269.11-154,927.50-66,923.72

Finding the Fourth Proportional to 112,269.11, 154,927.50 and 66,923.72

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Solution

The fourth proportional to 112,269.11, 154,927.50 and 66,923.72 is: 92,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269.11 : 154,927.50 = 66,923.72 : x
  2. Step 2: Convert to fraction form
    112,269.11/154,927.50 = 66,923.72/x
  3. Step 3: Cross multiply
    112,269.11x = 154,927.50 × 66,923.72
  4. Step 4: Simplify right side
    112,269.11x = 10,368,323,855.66
  5. Step 5: Solve for x
    x = 10,368,323,855.66/112,269.11
  6. Step 6: Final answer
    x = 92,352.42

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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.