Home / 181,983.24-251,043.30-118,297.80

Finding the Fourth Proportional to 181,983.24, 251,043.30 and 118,297.80

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Solution

The fourth proportional to 181,983.24, 251,043.30 and 118,297.80 is: 163,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,983.24 : 251,043.30 = 118,297.80 : x
  2. Step 2: Convert to fraction form
    181,983.24/251,043.30 = 118,297.80/x
  3. Step 3: Cross multiply
    181,983.24x = 251,043.30 × 118,297.80
  4. Step 4: Simplify right side
    181,983.24x = 29,697,870,094.74
  5. Step 5: Solve for x
    x = 29,697,870,094.74/181,983.24
  6. Step 6: Final answer
    x = 163,190.14

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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.