Home / 109,167.40-163,875.66-73,170.58

Finding the Fourth Proportional to 109,167.40, 163,875.66 and 73,170.58

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Solution

The fourth proportional to 109,167.40, 163,875.66 and 73,170.58 is: 109,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,167.40 : 163,875.66 = 73,170.58 : x
  2. Step 2: Convert to fraction form
    109,167.40/163,875.66 = 73,170.58/x
  3. Step 3: Cross multiply
    109,167.40x = 163,875.66 × 73,170.58
  4. Step 4: Simplify right side
    109,167.40x = 11,990,876,713.27
  5. Step 5: Solve for x
    x = 11,990,876,713.27/109,167.40
  6. Step 6: Final answer
    x = 109,839.35

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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.