Home / 150,285.28-207,393.36-86,622.64

Finding the Fourth Proportional to 150,285.28, 207,393.36 and 86,622.64

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Solution

The fourth proportional to 150,285.28, 207,393.36 and 86,622.64 is: 119,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,285.28 : 207,393.36 = 86,622.64 : x
  2. Step 2: Convert to fraction form
    150,285.28/207,393.36 = 86,622.64/x
  3. Step 3: Cross multiply
    150,285.28x = 207,393.36 × 86,622.64
  4. Step 4: Simplify right side
    150,285.28x = 17,964,960,361.67
  5. Step 5: Solve for x
    x = 17,964,960,361.67/150,285.28
  6. Step 6: Final answer
    x = 119,539.06

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1.5x scale

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.