Home / 109,120.06-163,687.01-34,243.16

Finding the Fourth Proportional to 109,120.06, 163,687.01 and 34,243.16

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Solution

The fourth proportional to 109,120.06, 163,687.01 and 34,243.16 is: 51,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,120.06 : 163,687.01 = 34,243.16 : x
  2. Step 2: Convert to fraction form
    109,120.06/163,687.01 = 34,243.16/x
  3. Step 3: Cross multiply
    109,120.06x = 163,687.01 × 34,243.16
  4. Step 4: Simplify right side
    109,120.06x = 5,605,160,354.35
  5. Step 5: Solve for x
    x = 5,605,160,354.35/109,120.06
  6. Step 6: Final answer
    x = 51,366.91

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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.