Home / 112,414.32-154,951.56-76,104.32

Finding the Fourth Proportional to 112,414.32, 154,951.56 and 76,104.32

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Solution

The fourth proportional to 112,414.32, 154,951.56 and 76,104.32 is: 104,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,414.32 : 154,951.56 = 76,104.32 : x
  2. Step 2: Convert to fraction form
    112,414.32/154,951.56 = 76,104.32/x
  3. Step 3: Cross multiply
    112,414.32x = 154,951.56 × 76,104.32
  4. Step 4: Simplify right side
    112,414.32x = 11,792,483,106.74
  5. Step 5: Solve for x
    x = 11,792,483,106.74/112,414.32
  6. Step 6: Final answer
    x = 104,901.97

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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.