Home / 112,313.19-168,616.91-75,112.32

Finding the Fourth Proportional to 112,313.19, 168,616.91 and 75,112.32

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Solution

The fourth proportional to 112,313.19, 168,616.91 and 75,112.32 is: 112,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313.19 : 168,616.91 = 75,112.32 : x
  2. Step 2: Convert to fraction form
    112,313.19/168,616.91 = 75,112.32/x
  3. Step 3: Cross multiply
    112,313.19x = 168,616.91 × 75,112.32
  4. Step 4: Simplify right side
    112,313.19x = 12,665,207,301.33
  5. Step 5: Solve for x
    x = 12,665,207,301.33/112,313.19
  6. Step 6: Final answer
    x = 112,766.87

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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.