Home / 141,417.59-195,156.99-77,759.48

Finding the Fourth Proportional to 141,417.59, 195,156.99 and 77,759.48

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Solution

The fourth proportional to 141,417.59, 195,156.99 and 77,759.48 is: 107,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,417.59 : 195,156.99 = 77,759.48 : x
  2. Step 2: Convert to fraction form
    141,417.59/195,156.99 = 77,759.48/x
  3. Step 3: Cross multiply
    141,417.59x = 195,156.99 × 77,759.48
  4. Step 4: Simplify right side
    141,417.59x = 15,175,305,084.98
  5. Step 5: Solve for x
    x = 15,175,305,084.98/141,417.59
  6. Step 6: Final answer
    x = 107,308.47

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1.5x scale

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.