Home / 125,236.42-187,883.43-40,999.30

Finding the Fourth Proportional to 125,236.42, 187,883.43 and 40,999.30

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Solution

The fourth proportional to 125,236.42, 187,883.43 and 40,999.30 is: 61,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,236.42 : 187,883.43 = 40,999.30 : x
  2. Step 2: Convert to fraction form
    125,236.42/187,883.43 = 40,999.30/x
  3. Step 3: Cross multiply
    125,236.42x = 187,883.43 × 40,999.30
  4. Step 4: Simplify right side
    125,236.42x = 7,703,089,111.60
  5. Step 5: Solve for x
    x = 7,703,089,111.60/125,236.42
  6. Step 6: Final answer
    x = 61,508.38

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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.