Home / 114,711.70-158,274.45-66,937.78

Finding the Fourth Proportional to 114,711.70, 158,274.45 and 66,937.78

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Solution

The fourth proportional to 114,711.70, 158,274.45 and 66,937.78 is: 92,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,711.70 : 158,274.45 = 66,937.78 : x
  2. Step 2: Convert to fraction form
    114,711.70/158,274.45 = 66,937.78/x
  3. Step 3: Cross multiply
    114,711.70x = 158,274.45 × 66,937.78
  4. Step 4: Simplify right side
    114,711.70x = 10,594,540,313.72
  5. Step 5: Solve for x
    x = 10,594,540,313.72/114,711.70
  6. Step 6: Final answer
    x = 92,357.97

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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.