Home / 187,516.36-281,244.28-69,243.40

Finding the Fourth Proportional to 187,516.36, 281,244.28 and 69,243.40

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Solution

The fourth proportional to 187,516.36, 281,244.28 and 69,243.40 is: 103,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,516.36 : 281,244.28 = 69,243.40 : x
  2. Step 2: Convert to fraction form
    187,516.36/281,244.28 = 69,243.40/x
  3. Step 3: Cross multiply
    187,516.36x = 281,244.28 × 69,243.40
  4. Step 4: Simplify right side
    187,516.36x = 19,474,310,177.75
  5. Step 5: Solve for x
    x = 19,474,310,177.75/187,516.36
  6. Step 6: Final answer
    x = 103,853.93

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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.