Home / 187,539.50-281,344.79-61,169.18

Finding the Fourth Proportional to 187,539.50, 281,344.79 and 61,169.18

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Solution

The fourth proportional to 187,539.50, 281,344.79 and 61,169.18 is: 91,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,539.50 : 281,344.79 = 61,169.18 : x
  2. Step 2: Convert to fraction form
    187,539.50/281,344.79 = 61,169.18/x
  3. Step 3: Cross multiply
    187,539.50x = 281,344.79 × 61,169.18
  4. Step 4: Simplify right side
    187,539.50x = 17,209,628,847.77
  5. Step 5: Solve for x
    x = 17,209,628,847.77/187,539.50
  6. Step 6: Final answer
    x = 91,765.35

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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.