Home / 119,301.06-164,638.60-65,587.43

Finding the Fourth Proportional to 119,301.06, 164,638.60 and 65,587.43

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Solution

The fourth proportional to 119,301.06, 164,638.60 and 65,587.43 is: 90,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,301.06 : 164,638.60 = 65,587.43 : x
  2. Step 2: Convert to fraction form
    119,301.06/164,638.60 = 65,587.43/x
  3. Step 3: Cross multiply
    119,301.06x = 164,638.60 × 65,587.43
  4. Step 4: Simplify right side
    119,301.06x = 10,798,222,652.80
  5. Step 5: Solve for x
    x = 10,798,222,652.80/119,301.06
  6. Step 6: Final answer
    x = 90,512.38

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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.