Home / 187,824.80-281,541.36-99,178.40

Finding the Fourth Proportional to 187,824.80, 281,541.36 and 99,178.40

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Solution

The fourth proportional to 187,824.80, 281,541.36 and 99,178.40 is: 148,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,824.80 : 281,541.36 = 99,178.40 : x
  2. Step 2: Convert to fraction form
    187,824.80/281,541.36 = 99,178.40/x
  3. Step 3: Cross multiply
    187,824.80x = 281,541.36 × 99,178.40
  4. Step 4: Simplify right side
    187,824.80x = 27,922,821,618.62
  5. Step 5: Solve for x
    x = 27,922,821,618.62/187,824.80
  6. Step 6: Final answer
    x = 148,664.19

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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.