Home / 112,181.90-154,813.94-61,195.49

Finding the Fourth Proportional to 112,181.90, 154,813.94 and 61,195.49

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Solution

The fourth proportional to 112,181.90, 154,813.94 and 61,195.49 is: 84,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,181.90 : 154,813.94 = 61,195.49 : x
  2. Step 2: Convert to fraction form
    112,181.90/154,813.94 = 61,195.49/x
  3. Step 3: Cross multiply
    112,181.90x = 154,813.94 × 61,195.49
  4. Step 4: Simplify right side
    112,181.90x = 9,473,914,917.13
  5. Step 5: Solve for x
    x = 9,473,914,917.13/112,181.90
  6. Step 6: Final answer
    x = 84,451.37

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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.