Home / 187,533.40-281,269.78-69,260.44

Finding the Fourth Proportional to 187,533.40, 281,269.78 and 69,260.44

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Solution

The fourth proportional to 187,533.40, 281,269.78 and 69,260.44 is: 103,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,533.40 : 281,269.78 = 69,260.44 : x
  2. Step 2: Convert to fraction form
    187,533.40/281,269.78 = 69,260.44/x
  3. Step 3: Cross multiply
    187,533.40x = 281,269.78 × 69,260.44
  4. Step 4: Simplify right side
    187,533.40x = 19,480,868,721.50
  5. Step 5: Solve for x
    x = 19,480,868,721.50/187,533.40
  6. Step 6: Final answer
    x = 103,879.46

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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.