Home / 141,606.88-195,422.70-77,947.36

Finding the Fourth Proportional to 141,606.88, 195,422.70 and 77,947.36

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Solution

The fourth proportional to 141,606.88, 195,422.70 and 77,947.36 is: 107,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,606.88 : 195,422.70 = 77,947.36 : x
  2. Step 2: Convert to fraction form
    141,606.88/195,422.70 = 77,947.36/x
  3. Step 3: Cross multiply
    141,606.88x = 195,422.70 × 77,947.36
  4. Step 4: Simplify right side
    141,606.88x = 15,232,683,549.07
  5. Step 5: Solve for x
    x = 15,232,683,549.07/141,606.88
  6. Step 6: Final answer
    x = 107,570.22

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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.