Home / 187,262.16-280,942.36-67,331.12

Finding the Fourth Proportional to 187,262.16, 280,942.36 and 67,331.12

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Solution

The fourth proportional to 187,262.16, 280,942.36 and 67,331.12 is: 101,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,262.16 : 280,942.36 = 67,331.12 : x
  2. Step 2: Convert to fraction form
    187,262.16/280,942.36 = 67,331.12/x
  3. Step 3: Cross multiply
    187,262.16x = 280,942.36 × 67,331.12
  4. Step 4: Simplify right side
    187,262.16x = 18,916,163,754.24
  5. Step 5: Solve for x
    x = 18,916,163,754.24/187,262.16
  6. Step 6: Final answer
    x = 101,014.34

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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.