Home / 142,683.92-196,886.93-82,274.41

Finding the Fourth Proportional to 142,683.92, 196,886.93 and 82,274.41

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Solution

The fourth proportional to 142,683.92, 196,886.93 and 82,274.41 is: 113,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,683.92 : 196,886.93 = 82,274.41 : x
  2. Step 2: Convert to fraction form
    142,683.92/196,886.93 = 82,274.41/x
  3. Step 3: Cross multiply
    142,683.92x = 196,886.93 × 82,274.41
  4. Step 4: Simplify right side
    142,683.92x = 16,198,756,002.46
  5. Step 5: Solve for x
    x = 16,198,756,002.46/142,683.92
  6. Step 6: Final answer
    x = 113,528.95

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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.