Home / 119,160.35-164,372.65-71,386.03

Finding the Fourth Proportional to 119,160.35, 164,372.65 and 71,386.03

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Solution

The fourth proportional to 119,160.35, 164,372.65 and 71,386.03 is: 98,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,160.35 : 164,372.65 = 71,386.03 : x
  2. Step 2: Convert to fraction form
    119,160.35/164,372.65 = 71,386.03/x
  3. Step 3: Cross multiply
    119,160.35x = 164,372.65 × 71,386.03
  4. Step 4: Simplify right side
    119,160.35x = 11,733,910,924.08
  5. Step 5: Solve for x
    x = 11,733,910,924.08/119,160.35
  6. Step 6: Final answer
    x = 98,471.61

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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.