Home / 146,338.64-201,962.28-105,536.48

Finding the Fourth Proportional to 146,338.64, 201,962.28 and 105,536.48

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Solution

The fourth proportional to 146,338.64, 201,962.28 and 105,536.48 is: 145,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,338.64 : 201,962.28 = 105,536.48 : x
  2. Step 2: Convert to fraction form
    146,338.64/201,962.28 = 105,536.48/x
  3. Step 3: Cross multiply
    146,338.64x = 201,962.28 × 105,536.48
  4. Step 4: Simplify right side
    146,338.64x = 21,314,388,123.97
  5. Step 5: Solve for x
    x = 21,314,388,123.97/146,338.64
  6. Step 6: Final answer
    x = 145,651.13

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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.