Home / 150,023.60-224,999.40-86,706.80

Finding the Fourth Proportional to 150,023.60, 224,999.40 and 86,706.80

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Solution

The fourth proportional to 150,023.60, 224,999.40 and 86,706.80 is: 130,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,023.60 : 224,999.40 = 86,706.80 : x
  2. Step 2: Convert to fraction form
    150,023.60/224,999.40 = 86,706.80/x
  3. Step 3: Cross multiply
    150,023.60x = 224,999.40 × 86,706.80
  4. Step 4: Simplify right side
    150,023.60x = 19,508,977,975.92
  5. Step 5: Solve for x
    x = 19,508,977,975.92/150,023.60
  6. Step 6: Final answer
    x = 130,039.39

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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.