Home / 150,486.40-225,554.24-120,937.60

Finding the Fourth Proportional to 150,486.40, 225,554.24 and 120,937.60

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Solution

The fourth proportional to 150,486.40, 225,554.24 and 120,937.60 is: 181,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,486.40 : 225,554.24 = 120,937.60 : x
  2. Step 2: Convert to fraction form
    150,486.40/225,554.24 = 120,937.60/x
  3. Step 3: Cross multiply
    150,486.40x = 225,554.24 × 120,937.60
  4. Step 4: Simplify right side
    150,486.40x = 27,277,988,455.42
  5. Step 5: Solve for x
    x = 27,277,988,455.42/150,486.40
  6. Step 6: Final answer
    x = 181,265.47

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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.