Home / 141,990.48-212,834.52-106,821.36

Finding the Fourth Proportional to 141,990.48, 212,834.52 and 106,821.36

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Solution

The fourth proportional to 141,990.48, 212,834.52 and 106,821.36 is: 160,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,990.48 : 212,834.52 = 106,821.36 : x
  2. Step 2: Convert to fraction form
    141,990.48/212,834.52 = 106,821.36/x
  3. Step 3: Cross multiply
    141,990.48x = 212,834.52 × 106,821.36
  4. Step 4: Simplify right side
    141,990.48x = 22,735,272,881.35
  5. Step 5: Solve for x
    x = 22,735,272,881.35/141,990.48
  6. Step 6: Final answer
    x = 160,118.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.