Home / 119,076.47-164,331.35-65,360.91

Finding the Fourth Proportional to 119,076.47, 164,331.35 and 65,360.91

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Solution

The fourth proportional to 119,076.47, 164,331.35 and 65,360.91 is: 90,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,076.47 : 164,331.35 = 65,360.91 : x
  2. Step 2: Convert to fraction form
    119,076.47/164,331.35 = 65,360.91/x
  3. Step 3: Cross multiply
    119,076.47x = 164,331.35 × 65,360.91
  4. Step 4: Simplify right side
    119,076.47x = 10,740,846,577.53
  5. Step 5: Solve for x
    x = 10,740,846,577.53/119,076.47
  6. Step 6: Final answer
    x = 90,201.25

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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.