Home / 112,261.82-168,246.92-45,624.40

Finding the Fourth Proportional to 112,261.82, 168,246.92 and 45,624.40

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Solution

The fourth proportional to 112,261.82, 168,246.92 and 45,624.40 is: 68,377.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,261.82 : 168,246.92 = 45,624.40 : x
  2. Step 2: Convert to fraction form
    112,261.82/168,246.92 = 45,624.40/x
  3. Step 3: Cross multiply
    112,261.82x = 168,246.92 × 45,624.40
  4. Step 4: Simplify right side
    112,261.82x = 7,676,164,470.29
  5. Step 5: Solve for x
    x = 7,676,164,470.29/112,261.82
  6. Step 6: Final answer
    x = 68,377.34

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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.