Home / 142,772.60-214,094.10-53,996.60

Finding the Fourth Proportional to 142,772.60, 214,094.10 and 53,996.60

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Solution

The fourth proportional to 142,772.60, 214,094.10 and 53,996.60 is: 80,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,772.60 : 214,094.10 = 53,996.60 : x
  2. Step 2: Convert to fraction form
    142,772.60/214,094.10 = 53,996.60/x
  3. Step 3: Cross multiply
    142,772.60x = 214,094.10 × 53,996.60
  4. Step 4: Simplify right side
    142,772.60x = 11,560,353,480.06
  5. Step 5: Solve for x
    x = 11,560,353,480.06/142,772.60
  6. Step 6: Final answer
    x = 80,970.39

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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.