Home / 112,124.41-154,769.18-66,816.61

Finding the Fourth Proportional to 112,124.41, 154,769.18 and 66,816.61

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Solution

The fourth proportional to 112,124.41, 154,769.18 and 66,816.61 is: 92,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,124.41 : 154,769.18 = 66,816.61 : x
  2. Step 2: Convert to fraction form
    112,124.41/154,769.18 = 66,816.61/x
  3. Step 3: Cross multiply
    112,124.41x = 154,769.18 × 66,816.61
  4. Step 4: Simplify right side
    112,124.41x = 10,341,151,940.08
  5. Step 5: Solve for x
    x = 10,341,151,940.08/112,124.41
  6. Step 6: Final answer
    x = 92,229.27

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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.