Home / 179,997.03-248,376.51-99,420.66

Finding the Fourth Proportional to 179,997.03, 248,376.51 and 99,420.66

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Solution

The fourth proportional to 179,997.03, 248,376.51 and 99,420.66 is: 137,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,997.03 : 248,376.51 = 99,420.66 : x
  2. Step 2: Convert to fraction form
    179,997.03/248,376.51 = 99,420.66/x
  3. Step 3: Cross multiply
    179,997.03x = 248,376.51 × 99,420.66
  4. Step 4: Simplify right side
    179,997.03x = 24,693,756,552.70
  5. Step 5: Solve for x
    x = 24,693,756,552.70/179,997.03
  6. Step 6: Final answer
    x = 137,189.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.