Home / 106,044.72-146,233.26-70,221.66

Finding the Fourth Proportional to 106,044.72, 146,233.26 and 70,221.66

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Solution

The fourth proportional to 106,044.72, 146,233.26 and 70,221.66 is: 96,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,044.72 : 146,233.26 = 70,221.66 : x
  2. Step 2: Convert to fraction form
    106,044.72/146,233.26 = 70,221.66/x
  3. Step 3: Cross multiply
    106,044.72x = 146,233.26 × 70,221.66
  4. Step 4: Simplify right side
    106,044.72x = 10,268,742,264.41
  5. Step 5: Solve for x
    x = 10,268,742,264.41/106,044.72
  6. Step 6: Final answer
    x = 96,834.07

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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.