Home / 141,933.45-195,872.68-81,516.36

Finding the Fourth Proportional to 141,933.45, 195,872.68 and 81,516.36

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Solution

The fourth proportional to 141,933.45, 195,872.68 and 81,516.36 is: 112,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,933.45 : 195,872.68 = 81,516.36 : x
  2. Step 2: Convert to fraction form
    141,933.45/195,872.68 = 81,516.36/x
  3. Step 3: Cross multiply
    141,933.45x = 195,872.68 × 81,516.36
  4. Step 4: Simplify right side
    141,933.45x = 15,966,827,897.04
  5. Step 5: Solve for x
    x = 15,966,827,897.04/141,933.45
  6. Step 6: Final answer
    x = 112,495.17

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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.