Home / 100,633.24-151,017.90-38,302.12

Finding the Fourth Proportional to 100,633.24, 151,017.90 and 38,302.12

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Solution

The fourth proportional to 100,633.24, 151,017.90 and 38,302.12 is: 57,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,633.24 : 151,017.90 = 38,302.12 : x
  2. Step 2: Convert to fraction form
    100,633.24/151,017.90 = 38,302.12/x
  3. Step 3: Cross multiply
    100,633.24x = 151,017.90 × 38,302.12
  4. Step 4: Simplify right side
    100,633.24x = 5,784,305,727.95
  5. Step 5: Solve for x
    x = 5,784,305,727.95/100,633.24
  6. Step 6: Final answer
    x = 57,479.08

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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.