Home / 150,021.60-224,996.40-86,704.80

Finding the Fourth Proportional to 150,021.60, 224,996.40 and 86,704.80

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Solution

The fourth proportional to 150,021.60, 224,996.40 and 86,704.80 is: 130,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,021.60 : 224,996.40 = 86,704.80 : x
  2. Step 2: Convert to fraction form
    150,021.60/224,996.40 = 86,704.80/x
  3. Step 3: Cross multiply
    150,021.60x = 224,996.40 × 86,704.80
  4. Step 4: Simplify right side
    150,021.60x = 19,508,267,862.72
  5. Step 5: Solve for x
    x = 19,508,267,862.72/150,021.60
  6. Step 6: Final answer
    x = 130,036.39

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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.