Home / 141,601.56-195,409.44-77,938.08

Finding the Fourth Proportional to 141,601.56, 195,409.44 and 77,938.08

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Solution

The fourth proportional to 141,601.56, 195,409.44 and 77,938.08 is: 107,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,601.56 : 195,409.44 = 77,938.08 : x
  2. Step 2: Convert to fraction form
    141,601.56/195,409.44 = 77,938.08/x
  3. Step 3: Cross multiply
    141,601.56x = 195,409.44 × 77,938.08
  4. Step 4: Simplify right side
    141,601.56x = 15,229,836,567.48
  5. Step 5: Solve for x
    x = 15,229,836,567.48/141,601.56
  6. Step 6: Final answer
    x = 107,554.16

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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.