Home / 147,967.31-204,207.39-90,606.35

Finding the Fourth Proportional to 147,967.31, 204,207.39 and 90,606.35

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Solution

The fourth proportional to 147,967.31, 204,207.39 and 90,606.35 is: 125,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,967.31 : 204,207.39 = 90,606.35 : x
  2. Step 2: Convert to fraction form
    147,967.31/204,207.39 = 90,606.35/x
  3. Step 3: Cross multiply
    147,967.31x = 204,207.39 × 90,606.35
  4. Step 4: Simplify right side
    147,967.31x = 18,502,485,229.89
  5. Step 5: Solve for x
    x = 18,502,485,229.89/147,967.31
  6. Step 6: Final answer
    x = 125,044.42

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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.