Home / 187,969.42-281,860.81-59,869

Finding the Fourth Proportional to 187,969.42, 281,860.81 and 59,869

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Solution

The fourth proportional to 187,969.42, 281,860.81 and 59,869 is: 89,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,969.42 : 281,860.81 = 59,869 : x
  2. Step 2: Convert to fraction form
    187,969.42/281,860.81 = 59,869/x
  3. Step 3: Cross multiply
    187,969.42x = 281,860.81 × 59,869
  4. Step 4: Simplify right side
    187,969.42x = 16,874,724,833.89
  5. Step 5: Solve for x
    x = 16,874,724,833.89/187,969.42
  6. Step 6: Final answer
    x = 89,773.78

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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.