Home / 125,222.86-187,832.28-39,832.51

Finding the Fourth Proportional to 125,222.86, 187,832.28 and 39,832.51

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Solution

The fourth proportional to 125,222.86, 187,832.28 and 39,832.51 is: 59,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,222.86 : 187,832.28 = 39,832.51 : x
  2. Step 2: Convert to fraction form
    125,222.86/187,832.28 = 39,832.51/x
  3. Step 3: Cross multiply
    125,222.86x = 187,832.28 × 39,832.51
  4. Step 4: Simplify right side
    125,222.86x = 7,481,831,203.40
  5. Step 5: Solve for x
    x = 7,481,831,203.40/125,222.86
  6. Step 6: Final answer
    x = 59,748.13

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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.