Home / 125,215.76-187,845.50-55,093.25

Finding the Fourth Proportional to 125,215.76, 187,845.50 and 55,093.25

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Solution

The fourth proportional to 125,215.76, 187,845.50 and 55,093.25 is: 82,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,215.76 : 187,845.50 = 55,093.25 : x
  2. Step 2: Convert to fraction form
    125,215.76/187,845.50 = 55,093.25/x
  3. Step 3: Cross multiply
    125,215.76x = 187,845.50 × 55,093.25
  4. Step 4: Simplify right side
    125,215.76x = 10,349,017,878.18
  5. Step 5: Solve for x
    x = 10,349,017,878.18/125,215.76
  6. Step 6: Final answer
    x = 82,649.49

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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.