Home / 146,443.02-203,126.61-142,556.40

Finding the Fourth Proportional to 146,443.02, 203,126.61 and 142,556.40

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Solution

The fourth proportional to 146,443.02, 203,126.61 and 142,556.40 is: 197,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,443.02 : 203,126.61 = 142,556.40 : x
  2. Step 2: Convert to fraction form
    146,443.02/203,126.61 = 142,556.40/x
  3. Step 3: Cross multiply
    146,443.02x = 203,126.61 × 142,556.40
  4. Step 4: Simplify right side
    146,443.02x = 28,956,998,265.80
  5. Step 5: Solve for x
    x = 28,956,998,265.80/146,443.02
  6. Step 6: Final answer
    x = 197,735.60

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.