Home / 187,972.89-281,975.90-53,038.14

Finding the Fourth Proportional to 187,972.89, 281,975.90 and 53,038.14

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Solution

The fourth proportional to 187,972.89, 281,975.90 and 53,038.14 is: 79,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,972.89 : 281,975.90 = 53,038.14 : x
  2. Step 2: Convert to fraction form
    187,972.89/281,975.90 = 53,038.14/x
  3. Step 3: Cross multiply
    187,972.89x = 281,975.90 × 53,038.14
  4. Step 4: Simplify right side
    187,972.89x = 14,955,476,995.64
  5. Step 5: Solve for x
    x = 14,955,476,995.64/187,972.89
  6. Step 6: Final answer
    x = 79,561.88

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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.