Home / 262,772.70-393,705.45-122,243.10

Finding the Fourth Proportional to 262,772.70, 393,705.45 and 122,243.10

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Solution

The fourth proportional to 262,772.70, 393,705.45 and 122,243.10 is: 183,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,772.70 : 393,705.45 = 122,243.10 : x
  2. Step 2: Convert to fraction form
    262,772.70/393,705.45 = 122,243.10/x
  3. Step 3: Cross multiply
    262,772.70x = 393,705.45 × 122,243.10
  4. Step 4: Simplify right side
    262,772.70x = 48,127,774,694.90
  5. Step 5: Solve for x
    x = 48,127,774,694.90/262,772.70
  6. Step 6: Final answer
    x = 183,153.63

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1.5x scale

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.