Home / 100,088.30-150,132.49-25,209.07

Finding the Fourth Proportional to 100,088.30, 150,132.49 and 25,209.07

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Solution

The fourth proportional to 100,088.30, 150,132.49 and 25,209.07 is: 37,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,088.30 : 150,132.49 = 25,209.07 : x
  2. Step 2: Convert to fraction form
    100,088.30/150,132.49 = 25,209.07/x
  3. Step 3: Cross multiply
    100,088.30x = 150,132.49 × 25,209.07
  4. Step 4: Simplify right side
    100,088.30x = 3,784,700,011.33
  5. Step 5: Solve for x
    x = 3,784,700,011.33/100,088.30
  6. Step 6: Final answer
    x = 37,813.61

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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.