Home / 151,028.40-226,348.20-91,801.20

Finding the Fourth Proportional to 151,028.40, 226,348.20 and 91,801.20

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Solution

The fourth proportional to 151,028.40, 226,348.20 and 91,801.20 is: 137,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,028.40 : 226,348.20 = 91,801.20 : x
  2. Step 2: Convert to fraction form
    151,028.40/226,348.20 = 91,801.20/x
  3. Step 3: Cross multiply
    151,028.40x = 226,348.20 × 91,801.20
  4. Step 4: Simplify right side
    151,028.40x = 20,779,036,377.84
  5. Step 5: Solve for x
    x = 20,779,036,377.84/151,028.40
  6. Step 6: Final answer
    x = 137,583.64

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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.