Home / 125,170.42-187,756.02-31,676.14

Finding the Fourth Proportional to 125,170.42, 187,756.02 and 31,676.14

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Solution

The fourth proportional to 125,170.42, 187,756.02 and 31,676.14 is: 47,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,170.42 : 187,756.02 = 31,676.14 : x
  2. Step 2: Convert to fraction form
    125,170.42/187,756.02 = 31,676.14/x
  3. Step 3: Cross multiply
    125,170.42x = 187,756.02 × 31,676.14
  4. Step 4: Simplify right side
    125,170.42x = 5,947,385,975.36
  5. Step 5: Solve for x
    x = 5,947,385,975.36/125,170.42
  6. Step 6: Final answer
    x = 47,514.31

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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.