Home / 100,632.24-151,016.40-38,301.12

Finding the Fourth Proportional to 100,632.24, 151,016.40 and 38,301.12

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Solution

The fourth proportional to 100,632.24, 151,016.40 and 38,301.12 is: 57,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,632.24 : 151,016.40 = 38,301.12 : x
  2. Step 2: Convert to fraction form
    100,632.24/151,016.40 = 38,301.12/x
  3. Step 3: Cross multiply
    100,632.24x = 151,016.40 × 38,301.12
  4. Step 4: Simplify right side
    100,632.24x = 5,784,097,258.37
  5. Step 5: Solve for x
    x = 5,784,097,258.37/100,632.24
  6. Step 6: Final answer
    x = 57,477.58

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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.