Home / 187,830.50-281,745.75-63,171.50

Finding the Fourth Proportional to 187,830.50, 281,745.75 and 63,171.50

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Solution

The fourth proportional to 187,830.50, 281,745.75 and 63,171.50 is: 94,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,830.50 : 281,745.75 = 63,171.50 : x
  2. Step 2: Convert to fraction form
    187,830.50/281,745.75 = 63,171.50/x
  3. Step 3: Cross multiply
    187,830.50x = 281,745.75 × 63,171.50
  4. Step 4: Simplify right side
    187,830.50x = 17,798,301,646.13
  5. Step 5: Solve for x
    x = 17,798,301,646.13/187,830.50
  6. Step 6: Final answer
    x = 94,757.25

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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.