Home / 150,698.02-207,962.40-82,713.28

Finding the Fourth Proportional to 150,698.02, 207,962.40 and 82,713.28

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Solution

The fourth proportional to 150,698.02, 207,962.40 and 82,713.28 is: 114,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,698.02 : 207,962.40 = 82,713.28 : x
  2. Step 2: Convert to fraction form
    150,698.02/207,962.40 = 82,713.28/x
  3. Step 3: Cross multiply
    150,698.02x = 207,962.40 × 82,713.28
  4. Step 4: Simplify right side
    150,698.02x = 17,201,252,220.67
  5. Step 5: Solve for x
    x = 17,201,252,220.67/150,698.02
  6. Step 6: Final answer
    x = 114,143.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.