Home / 109,215.05-163,822.42-34,341.74

Finding the Fourth Proportional to 109,215.05, 163,822.42 and 34,341.74

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Solution

The fourth proportional to 109,215.05, 163,822.42 and 34,341.74 is: 51,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,215.05 : 163,822.42 = 34,341.74 : x
  2. Step 2: Convert to fraction form
    109,215.05/163,822.42 = 34,341.74/x
  3. Step 3: Cross multiply
    109,215.05x = 163,822.42 × 34,341.74
  4. Step 4: Simplify right side
    109,215.05x = 5,625,946,134.70
  5. Step 5: Solve for x
    x = 5,625,946,134.70/109,215.05
  6. Step 6: Final answer
    x = 51,512.56

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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.