Home / 150,062.40-207,056.16-82,981.44

Finding the Fourth Proportional to 150,062.40, 207,056.16 and 82,981.44

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Solution

The fourth proportional to 150,062.40, 207,056.16 and 82,981.44 is: 114,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,062.40 : 207,056.16 = 82,981.44 : x
  2. Step 2: Convert to fraction form
    150,062.40/207,056.16 = 82,981.44/x
  3. Step 3: Cross multiply
    150,062.40x = 207,056.16 × 82,981.44
  4. Step 4: Simplify right side
    150,062.40x = 17,181,818,317.67
  5. Step 5: Solve for x
    x = 17,181,818,317.67/150,062.40
  6. Step 6: Final answer
    x = 114,497.82

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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.