Home / 112,813.08-155,640.85-67,492.36

Finding the Fourth Proportional to 112,813.08, 155,640.85 and 67,492.36

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Solution

The fourth proportional to 112,813.08, 155,640.85 and 67,492.36 is: 93,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,813.08 : 155,640.85 = 67,492.36 : x
  2. Step 2: Convert to fraction form
    112,813.08/155,640.85 = 67,492.36/x
  3. Step 3: Cross multiply
    112,813.08x = 155,640.85 × 67,492.36
  4. Step 4: Simplify right side
    112,813.08x = 10,504,568,278.91
  5. Step 5: Solve for x
    x = 10,504,568,278.91/112,813.08
  6. Step 6: Final answer
    x = 93,114.81

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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.