Home / 141,889.36-195,799.26-81,447.16

Finding the Fourth Proportional to 141,889.36, 195,799.26 and 81,447.16

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Solution

The fourth proportional to 141,889.36, 195,799.26 and 81,447.16 is: 112,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,889.36 : 195,799.26 = 81,447.16 : x
  2. Step 2: Convert to fraction form
    141,889.36/195,799.26 = 81,447.16/x
  3. Step 3: Cross multiply
    141,889.36x = 195,799.26 × 81,447.16
  4. Step 4: Simplify right side
    141,889.36x = 15,947,293,657.10
  5. Step 5: Solve for x
    x = 15,947,293,657.10/141,889.36
  6. Step 6: Final answer
    x = 112,392.46

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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.