Home / 185,131.89-255,483.23-100,248.96

Finding the Fourth Proportional to 185,131.89, 255,483.23 and 100,248.96

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Solution

The fourth proportional to 185,131.89, 255,483.23 and 100,248.96 is: 138,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,131.89 : 255,483.23 = 100,248.96 : x
  2. Step 2: Convert to fraction form
    185,131.89/255,483.23 = 100,248.96/x
  3. Step 3: Cross multiply
    185,131.89x = 255,483.23 × 100,248.96
  4. Step 4: Simplify right side
    185,131.89x = 25,611,927,603.70
  5. Step 5: Solve for x
    x = 25,611,927,603.70/185,131.89
  6. Step 6: Final answer
    x = 138,344.22

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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.