Home / 161,997.30-242,995.95-99,011.70

Finding the Fourth Proportional to 161,997.30, 242,995.95 and 99,011.70

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Solution

The fourth proportional to 161,997.30, 242,995.95 and 99,011.70 is: 148,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,997.30 : 242,995.95 = 99,011.70 : x
  2. Step 2: Convert to fraction form
    161,997.30/242,995.95 = 99,011.70/x
  3. Step 3: Cross multiply
    161,997.30x = 242,995.95 × 99,011.70
  4. Step 4: Simplify right side
    161,997.30x = 24,059,442,102.62
  5. Step 5: Solve for x
    x = 24,059,442,102.62/161,997.30
  6. Step 6: Final answer
    x = 148,517.55

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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.