Home / 125,155.35-187,676.91-74,578.23

Finding the Fourth Proportional to 125,155.35, 187,676.91 and 74,578.23

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Solution

The fourth proportional to 125,155.35, 187,676.91 and 74,578.23 is: 111,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,155.35 : 187,676.91 = 74,578.23 : x
  2. Step 2: Convert to fraction form
    125,155.35/187,676.91 = 74,578.23/x
  3. Step 3: Cross multiply
    125,155.35x = 187,676.91 × 74,578.23
  4. Step 4: Simplify right side
    125,155.35x = 13,996,611,759.67
  5. Step 5: Solve for x
    x = 13,996,611,759.67/125,155.35
  6. Step 6: Final answer
    x = 111,833.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.