Home / 167,649.84-231,345.18-99,663.30

Finding the Fourth Proportional to 167,649.84, 231,345.18 and 99,663.30

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Solution

The fourth proportional to 167,649.84, 231,345.18 and 99,663.30 is: 137,528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,649.84 : 231,345.18 = 99,663.30 : x
  2. Step 2: Convert to fraction form
    167,649.84/231,345.18 = 99,663.30/x
  3. Step 3: Cross multiply
    167,649.84x = 231,345.18 × 99,663.30
  4. Step 4: Simplify right side
    167,649.84x = 23,056,624,077.89
  5. Step 5: Solve for x
    x = 23,056,624,077.89/167,649.84
  6. Step 6: Final answer
    x = 137,528.46

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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.