Home / 112,293.90-168,356.61-67,911.57

Finding the Fourth Proportional to 112,293.90, 168,356.61 and 67,911.57

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Solution

The fourth proportional to 112,293.90, 168,356.61 and 67,911.57 is: 101,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,293.90 : 168,356.61 = 67,911.57 : x
  2. Step 2: Convert to fraction form
    112,293.90/168,356.61 = 67,911.57/x
  3. Step 3: Cross multiply
    112,293.90x = 168,356.61 × 67,911.57
  4. Step 4: Simplify right side
    112,293.90x = 11,433,361,704.98
  5. Step 5: Solve for x
    x = 11,433,361,704.98/112,293.90
  6. Step 6: Final answer
    x = 101,816.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.