Home / 180,923.86-249,704.82-100,377.34

Finding the Fourth Proportional to 180,923.86, 249,704.82 and 100,377.34

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Solution

The fourth proportional to 180,923.86, 249,704.82 and 100,377.34 is: 138,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,923.86 : 249,704.82 = 100,377.34 : x
  2. Step 2: Convert to fraction form
    180,923.86/249,704.82 = 100,377.34/x
  3. Step 3: Cross multiply
    180,923.86x = 249,704.82 × 100,377.34
  4. Step 4: Simplify right side
    180,923.86x = 25,064,705,616.78
  5. Step 5: Solve for x
    x = 25,064,705,616.78/180,923.86
  6. Step 6: Final answer
    x = 138,537.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.