Home / 147,721.42-203,784.33-96,711.58

Finding the Fourth Proportional to 147,721.42, 203,784.33 and 96,711.58

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Solution

The fourth proportional to 147,721.42, 203,784.33 and 96,711.58 is: 133,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,721.42 : 203,784.33 = 96,711.58 : x
  2. Step 2: Convert to fraction form
    147,721.42/203,784.33 = 96,711.58/x
  3. Step 3: Cross multiply
    147,721.42x = 203,784.33 × 96,711.58
  4. Step 4: Simplify right side
    147,721.42x = 19,708,304,533.54
  5. Step 5: Solve for x
    x = 19,708,304,533.54/147,721.42
  6. Step 6: Final answer
    x = 133,415.35

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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.