Home / 112,253.49-154,910.20-66,951.81

Finding the Fourth Proportional to 112,253.49, 154,910.20 and 66,951.81

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Solution

The fourth proportional to 112,253.49, 154,910.20 and 66,951.81 is: 92,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,253.49 : 154,910.20 = 66,951.81 : x
  2. Step 2: Convert to fraction form
    112,253.49/154,910.20 = 66,951.81/x
  3. Step 3: Cross multiply
    112,253.49x = 154,910.20 × 66,951.81
  4. Step 4: Simplify right side
    112,253.49x = 10,371,518,110.08
  5. Step 5: Solve for x
    x = 10,371,518,110.08/112,253.49
  6. Step 6: Final answer
    x = 92,393.73

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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.