Home / 163,889.79-226,175.56-99,361.04

Finding the Fourth Proportional to 163,889.79, 226,175.56 and 99,361.04

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Solution

The fourth proportional to 163,889.79, 226,175.56 and 99,361.04 is: 137,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,889.79 : 226,175.56 = 99,361.04 : x
  2. Step 2: Convert to fraction form
    163,889.79/226,175.56 = 99,361.04/x
  3. Step 3: Cross multiply
    163,889.79x = 226,175.56 × 99,361.04
  4. Step 4: Simplify right side
    163,889.79x = 22,473,038,864.18
  5. Step 5: Solve for x
    x = 22,473,038,864.18/163,889.79
  6. Step 6: Final answer
    x = 137,122.87

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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.