Home / 141,015.51-194,569.94-83,625.68

Finding the Fourth Proportional to 141,015.51, 194,569.94 and 83,625.68

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Solution

The fourth proportional to 141,015.51, 194,569.94 and 83,625.68 is: 115,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,015.51 : 194,569.94 = 83,625.68 : x
  2. Step 2: Convert to fraction form
    141,015.51/194,569.94 = 83,625.68/x
  3. Step 3: Cross multiply
    141,015.51x = 194,569.94 × 83,625.68
  4. Step 4: Simplify right side
    141,015.51x = 16,271,042,149.08
  5. Step 5: Solve for x
    x = 16,271,042,149.08/141,015.51
  6. Step 6: Final answer
    x = 115,384.77

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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.