Home / 109,169.12-163,701.77-38,083.11

Finding the Fourth Proportional to 109,169.12, 163,701.77 and 38,083.11

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Solution

The fourth proportional to 109,169.12, 163,701.77 and 38,083.11 is: 57,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,169.12 : 163,701.77 = 38,083.11 : x
  2. Step 2: Convert to fraction form
    109,169.12/163,701.77 = 38,083.11/x
  3. Step 3: Cross multiply
    109,169.12x = 163,701.77 × 38,083.11
  4. Step 4: Simplify right side
    109,169.12x = 6,234,272,323.69
  5. Step 5: Solve for x
    x = 6,234,272,323.69/109,169.12
  6. Step 6: Final answer
    x = 57,106.56

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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.