Home / 150,877.30-225,987.90-91,609.60

Finding the Fourth Proportional to 150,877.30, 225,987.90 and 91,609.60

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Solution

The fourth proportional to 150,877.30, 225,987.90 and 91,609.60 is: 137,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,877.30 : 225,987.90 = 91,609.60 : x
  2. Step 2: Convert to fraction form
    150,877.30/225,987.90 = 91,609.60/x
  3. Step 3: Cross multiply
    150,877.30x = 225,987.90 × 91,609.60
  4. Step 4: Simplify right side
    150,877.30x = 20,702,661,123.84
  5. Step 5: Solve for x
    x = 20,702,661,123.84/150,877.30
  6. Step 6: Final answer
    x = 137,215.21

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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.