Home / 109,276.06-163,920.68-34,398.65

Finding the Fourth Proportional to 109,276.06, 163,920.68 and 34,398.65

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Solution

The fourth proportional to 109,276.06, 163,920.68 and 34,398.65 is: 51,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,276.06 : 163,920.68 = 34,398.65 : x
  2. Step 2: Convert to fraction form
    109,276.06/163,920.68 = 34,398.65/x
  3. Step 3: Cross multiply
    109,276.06x = 163,920.68 × 34,398.65
  4. Step 4: Simplify right side
    109,276.06x = 5,638,650,099.08
  5. Step 5: Solve for x
    x = 5,638,650,099.08/109,276.06
  6. Step 6: Final answer
    x = 51,600.05

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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.