Home / 187,099.12-280,644.70-60,739.16

Finding the Fourth Proportional to 187,099.12, 280,644.70 and 60,739.16

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Solution

The fourth proportional to 187,099.12, 280,644.70 and 60,739.16 is: 91,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,099.12 : 280,644.70 = 60,739.16 : x
  2. Step 2: Convert to fraction form
    187,099.12/280,644.70 = 60,739.16/x
  3. Step 3: Cross multiply
    187,099.12x = 280,644.70 × 60,739.16
  4. Step 4: Simplify right side
    187,099.12x = 17,046,123,336.45
  5. Step 5: Solve for x
    x = 17,046,123,336.45/187,099.12
  6. Step 6: Final answer
    x = 91,107.45

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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.