Home / 112,551.18-155,246.92-67,193.74

Finding the Fourth Proportional to 112,551.18, 155,246.92 and 67,193.74

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Solution

The fourth proportional to 112,551.18, 155,246.92 and 67,193.74 is: 92,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,551.18 : 155,246.92 = 67,193.74 : x
  2. Step 2: Convert to fraction form
    112,551.18/155,246.92 = 67,193.74/x
  3. Step 3: Cross multiply
    112,551.18x = 155,246.92 × 67,193.74
  4. Step 4: Simplify right side
    112,551.18x = 10,431,621,178.28
  5. Step 5: Solve for x
    x = 10,431,621,178.28/112,551.18
  6. Step 6: Final answer
    x = 92,683.36

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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.