Home / 656,682.78-985,024.36-158,046.78

Finding the Fourth Proportional to 656,682.78, 985,024.36 and 158,046.78

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Solution

The fourth proportional to 656,682.78, 985,024.36 and 158,046.78 is: 237,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,682.78 : 985,024.36 = 158,046.78 : x
  2. Step 2: Convert to fraction form
    656,682.78/985,024.36 = 158,046.78/x
  3. Step 3: Cross multiply
    656,682.78x = 985,024.36 × 158,046.78
  4. Step 4: Simplify right side
    656,682.78x = 155,679,928,319.56
  5. Step 5: Solve for x
    x = 155,679,928,319.56/656,682.78
  6. Step 6: Final answer
    x = 237,070.22

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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.