Home / 109,089.65-163,634.49-34,216.36

Finding the Fourth Proportional to 109,089.65, 163,634.49 and 34,216.36

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Solution

The fourth proportional to 109,089.65, 163,634.49 and 34,216.36 is: 51,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,089.65 : 163,634.49 = 34,216.36 : x
  2. Step 2: Convert to fraction form
    109,089.65/163,634.49 = 34,216.36/x
  3. Step 3: Cross multiply
    109,089.65x = 163,634.49 × 34,216.36
  4. Step 4: Simplify right side
    109,089.65x = 5,598,976,209.17
  5. Step 5: Solve for x
    x = 5,598,976,209.17/109,089.65
  6. Step 6: Final answer
    x = 51,324.54

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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.