Home / 109,308.69-163,853.42-38,176.11

Finding the Fourth Proportional to 109,308.69, 163,853.42 and 38,176.11

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Solution

The fourth proportional to 109,308.69, 163,853.42 and 38,176.11 is: 57,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,308.69 : 163,853.42 = 38,176.11 : x
  2. Step 2: Convert to fraction form
    109,308.69/163,853.42 = 38,176.11/x
  3. Step 3: Cross multiply
    109,308.69x = 163,853.42 × 38,176.11
  4. Step 4: Simplify right side
    109,308.69x = 6,255,285,994.92
  5. Step 5: Solve for x
    x = 6,255,285,994.92/109,308.69
  6. Step 6: Final answer
    x = 57,225.88

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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.