Home / 119,416.82-164,795.48-65,705.29

Finding the Fourth Proportional to 119,416.82, 164,795.48 and 65,705.29

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Solution

The fourth proportional to 119,416.82, 164,795.48 and 65,705.29 is: 90,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,416.82 : 164,795.48 = 65,705.29 : x
  2. Step 2: Convert to fraction form
    119,416.82/164,795.48 = 65,705.29/x
  3. Step 3: Cross multiply
    119,416.82x = 164,795.48 × 65,705.29
  4. Step 4: Simplify right side
    119,416.82x = 10,827,934,309.97
  5. Step 5: Solve for x
    x = 10,827,934,309.97/119,416.82
  6. Step 6: Final answer
    x = 90,673.45

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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.