Home / 100,637.50-150,961.38-25,758.26

Finding the Fourth Proportional to 100,637.50, 150,961.38 and 25,758.26

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Solution

The fourth proportional to 100,637.50, 150,961.38 and 25,758.26 is: 38,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,637.50 : 150,961.38 = 25,758.26 : x
  2. Step 2: Convert to fraction form
    100,637.50/150,961.38 = 25,758.26/x
  3. Step 3: Cross multiply
    100,637.50x = 150,961.38 × 25,758.26
  4. Step 4: Simplify right side
    100,637.50x = 3,888,502,476.00
  5. Step 5: Solve for x
    x = 3,888,502,476.00/100,637.50
  6. Step 6: Final answer
    x = 38,638.70

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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.