Home / 100,677.33-151,021.53-25,798.10

Finding the Fourth Proportional to 100,677.33, 151,021.53 and 25,798.10

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Solution

The fourth proportional to 100,677.33, 151,021.53 and 25,798.10 is: 38,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,677.33 : 151,021.53 = 25,798.10 : x
  2. Step 2: Convert to fraction form
    100,677.33/151,021.53 = 25,798.10/x
  3. Step 3: Cross multiply
    100,677.33x = 151,021.53 × 25,798.10
  4. Step 4: Simplify right side
    100,677.33x = 3,896,067,777.99
  5. Step 5: Solve for x
    x = 3,896,067,777.99/100,677.33
  6. Step 6: Final answer
    x = 38,698.56

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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.