Home / 141,806.30-212,663.07-51,828.26

Finding the Fourth Proportional to 141,806.30, 212,663.07 and 51,828.26

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Solution

The fourth proportional to 141,806.30, 212,663.07 and 51,828.26 is: 77,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,806.30 : 212,663.07 = 51,828.26 : x
  2. Step 2: Convert to fraction form
    141,806.30/212,663.07 = 51,828.26/x
  3. Step 3: Cross multiply
    141,806.30x = 212,663.07 × 51,828.26
  4. Step 4: Simplify right side
    141,806.30x = 11,021,955,821.04
  5. Step 5: Solve for x
    x = 11,021,955,821.04/141,806.30
  6. Step 6: Final answer
    x = 77,725.43

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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.