Home / 161,605.53-242,077.82-131,726.25

Finding the Fourth Proportional to 161,605.53, 242,077.82 and 131,726.25

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Solution

The fourth proportional to 161,605.53, 242,077.82 and 131,726.25 is: 197,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,605.53 : 242,077.82 = 131,726.25 : x
  2. Step 2: Convert to fraction form
    161,605.53/242,077.82 = 131,726.25/x
  3. Step 3: Cross multiply
    161,605.53x = 242,077.82 × 131,726.25
  4. Step 4: Simplify right side
    161,605.53x = 31,888,002,778.14
  5. Step 5: Solve for x
    x = 31,888,002,778.14/161,605.53
  6. Step 6: Final answer
    x = 197,320.00

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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.