Home / 251,761.32-377,638.50-102,000.36

Finding the Fourth Proportional to 251,761.32, 377,638.50 and 102,000.36

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Solution

The fourth proportional to 251,761.32, 377,638.50 and 102,000.36 is: 152,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,761.32 : 377,638.50 = 102,000.36 : x
  2. Step 2: Convert to fraction form
    251,761.32/377,638.50 = 102,000.36/x
  3. Step 3: Cross multiply
    251,761.32x = 377,638.50 × 102,000.36
  4. Step 4: Simplify right side
    251,761.32x = 38,519,262,949.86
  5. Step 5: Solve for x
    x = 38,519,262,949.86/251,761.32
  6. Step 6: Final answer
    x = 152,999.13

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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.