Home / 173,310.03-239,126.85-100,669.77

Finding the Fourth Proportional to 173,310.03, 239,126.85 and 100,669.77

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Solution

The fourth proportional to 173,310.03, 239,126.85 and 100,669.77 is: 138,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,310.03 : 239,126.85 = 100,669.77 : x
  2. Step 2: Convert to fraction form
    173,310.03/239,126.85 = 100,669.77/x
  3. Step 3: Cross multiply
    173,310.03x = 239,126.85 × 100,669.77
  4. Step 4: Simplify right side
    173,310.03x = 24,072,844,990.32
  5. Step 5: Solve for x
    x = 24,072,844,990.32/173,310.03
  6. Step 6: Final answer
    x = 138,900.47

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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.