Home / 187,838.28-281,867.99-69,592.05

Finding the Fourth Proportional to 187,838.28, 281,867.99 and 69,592.05

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Solution

The fourth proportional to 187,838.28, 281,867.99 and 69,592.05 is: 104,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,838.28 : 281,867.99 = 69,592.05 : x
  2. Step 2: Convert to fraction form
    187,838.28/281,867.99 = 69,592.05/x
  3. Step 3: Cross multiply
    187,838.28x = 281,867.99 × 69,592.05
  4. Step 4: Simplify right side
    187,838.28x = 19,615,771,253.48
  5. Step 5: Solve for x
    x = 19,615,771,253.48/187,838.28
  6. Step 6: Final answer
    x = 104,429.04

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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.