Home / 141,010.56-194,564.16-81,360

Finding the Fourth Proportional to 141,010.56, 194,564.16 and 81,360

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Solution

The fourth proportional to 141,010.56, 194,564.16 and 81,360 is: 112,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,010.56 : 194,564.16 = 81,360 : x
  2. Step 2: Convert to fraction form
    141,010.56/194,564.16 = 81,360/x
  3. Step 3: Cross multiply
    141,010.56x = 194,564.16 × 81,360
  4. Step 4: Simplify right side
    141,010.56x = 15,829,740,057.60
  5. Step 5: Solve for x
    x = 15,829,740,057.60/141,010.56
  6. Step 6: Final answer
    x = 112,259.25

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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.