Home / 161,867.04-242,950.26-81,961.20

Finding the Fourth Proportional to 161,867.04, 242,950.26 and 81,961.20

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Solution

The fourth proportional to 161,867.04, 242,950.26 and 81,961.20 is: 123,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,867.04 : 242,950.26 = 81,961.20 : x
  2. Step 2: Convert to fraction form
    161,867.04/242,950.26 = 81,961.20/x
  3. Step 3: Cross multiply
    161,867.04x = 242,950.26 × 81,961.20
  4. Step 4: Simplify right side
    161,867.04x = 19,912,494,849.91
  5. Step 5: Solve for x
    x = 19,912,494,849.91/161,867.04
  6. Step 6: Final answer
    x = 123,017.60

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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.