Home / 161,954.30-242,603.40-91,751.60

Finding the Fourth Proportional to 161,954.30, 242,603.40 and 91,751.60

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Solution

The fourth proportional to 161,954.30, 242,603.40 and 91,751.60 is: 137,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,954.30 : 242,603.40 = 91,751.60 : x
  2. Step 2: Convert to fraction form
    161,954.30/242,603.40 = 91,751.60/x
  3. Step 3: Cross multiply
    161,954.30x = 242,603.40 × 91,751.60
  4. Step 4: Simplify right side
    161,954.30x = 22,259,250,115.44
  5. Step 5: Solve for x
    x = 22,259,250,115.44/161,954.30
  6. Step 6: Final answer
    x = 137,441.55

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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.