Home / 112,310.68-154,987.55-61,323.25

Finding the Fourth Proportional to 112,310.68, 154,987.55 and 61,323.25

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Solution

The fourth proportional to 112,310.68, 154,987.55 and 61,323.25 is: 84,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,310.68 : 154,987.55 = 61,323.25 : x
  2. Step 2: Convert to fraction form
    112,310.68/154,987.55 = 61,323.25/x
  3. Step 3: Cross multiply
    112,310.68x = 154,987.55 × 61,323.25
  4. Step 4: Simplify right side
    112,310.68x = 9,504,339,193.98
  5. Step 5: Solve for x
    x = 9,504,339,193.98/112,310.68
  6. Step 6: Final answer
    x = 84,625.43

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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.