Home / 187,736.48-281,623.20-54,618.08

Finding the Fourth Proportional to 187,736.48, 281,623.20 and 54,618.08

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Solution

The fourth proportional to 187,736.48, 281,623.20 and 54,618.08 is: 81,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,736.48 : 281,623.20 = 54,618.08 : x
  2. Step 2: Convert to fraction form
    187,736.48/281,623.20 = 54,618.08/x
  3. Step 3: Cross multiply
    187,736.48x = 281,623.20 × 54,618.08
  4. Step 4: Simplify right side
    187,736.48x = 15,381,718,467.46
  5. Step 5: Solve for x
    x = 15,381,718,467.46/187,736.48
  6. Step 6: Final answer
    x = 81,932.50

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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.