Home / 107,723.40-161,714.70-106,945.80

Finding the Fourth Proportional to 107,723.40, 161,714.70 and 106,945.80

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Solution

The fourth proportional to 107,723.40, 161,714.70 and 106,945.80 is: 160,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,723.40 : 161,714.70 = 106,945.80 : x
  2. Step 2: Convert to fraction form
    107,723.40/161,714.70 = 106,945.80/x
  3. Step 3: Cross multiply
    107,723.40x = 161,714.70 × 106,945.80
  4. Step 4: Simplify right side
    107,723.40x = 17,294,707,963.26
  5. Step 5: Solve for x
    x = 17,294,707,963.26/107,723.40
  6. Step 6: Final answer
    x = 160,547.36

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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.