Home / 110,991.06-153,171.81-63,243.18

Finding the Fourth Proportional to 110,991.06, 153,171.81 and 63,243.18

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Solution

The fourth proportional to 110,991.06, 153,171.81 and 63,243.18 is: 87,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,991.06 : 153,171.81 = 63,243.18 : x
  2. Step 2: Convert to fraction form
    110,991.06/153,171.81 = 63,243.18/x
  3. Step 3: Cross multiply
    110,991.06x = 153,171.81 × 63,243.18
  4. Step 4: Simplify right side
    110,991.06x = 9,687,072,350.76
  5. Step 5: Solve for x
    x = 9,687,072,350.76/110,991.06
  6. Step 6: Final answer
    x = 87,277.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.