Home / 187,990.40-281,983.68-63,330.56

Finding the Fourth Proportional to 187,990.40, 281,983.68 and 63,330.56

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Solution

The fourth proportional to 187,990.40, 281,983.68 and 63,330.56 is: 94,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,990.40 : 281,983.68 = 63,330.56 : x
  2. Step 2: Convert to fraction form
    187,990.40/281,983.68 = 63,330.56/x
  3. Step 3: Cross multiply
    187,990.40x = 281,983.68 × 63,330.56
  4. Step 4: Simplify right side
    187,990.40x = 17,858,184,365.26
  5. Step 5: Solve for x
    x = 17,858,184,365.26/187,990.40
  6. Step 6: Final answer
    x = 94,995.19

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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.