Home / 111,637.64-154,016.46-63,228.44

Finding the Fourth Proportional to 111,637.64, 154,016.46 and 63,228.44

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Solution

The fourth proportional to 111,637.64, 154,016.46 and 63,228.44 is: 87,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,637.64 : 154,016.46 = 63,228.44 : x
  2. Step 2: Convert to fraction form
    111,637.64/154,016.46 = 63,228.44/x
  3. Step 3: Cross multiply
    111,637.64x = 154,016.46 × 63,228.44
  4. Step 4: Simplify right side
    111,637.64x = 9,738,220,500.12
  5. Step 5: Solve for x
    x = 9,738,220,500.12/111,637.64
  6. Step 6: Final answer
    x = 87,230.62

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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.