Home / 141,305.48-195,001.51-77,647.37

Finding the Fourth Proportional to 141,305.48, 195,001.51 and 77,647.37

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Solution

The fourth proportional to 141,305.48, 195,001.51 and 77,647.37 is: 107,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,305.48 : 195,001.51 = 77,647.37 : x
  2. Step 2: Convert to fraction form
    141,305.48/195,001.51 = 77,647.37/x
  3. Step 3: Cross multiply
    141,305.48x = 195,001.51 × 77,647.37
  4. Step 4: Simplify right side
    141,305.48x = 15,141,354,009.29
  5. Step 5: Solve for x
    x = 15,141,354,009.29/141,305.48
  6. Step 6: Final answer
    x = 107,153.34

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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.