Home / 173,211.72-238,979.95-100,600.62

Finding the Fourth Proportional to 173,211.72, 238,979.95 and 100,600.62

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Solution

The fourth proportional to 173,211.72, 238,979.95 and 100,600.62 is: 138,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,211.72 : 238,979.95 = 100,600.62 : x
  2. Step 2: Convert to fraction form
    173,211.72/238,979.95 = 100,600.62/x
  3. Step 3: Cross multiply
    173,211.72x = 238,979.95 × 100,600.62
  4. Step 4: Simplify right side
    173,211.72x = 24,041,531,137.57
  5. Step 5: Solve for x
    x = 24,041,531,137.57/173,211.72
  6. Step 6: Final answer
    x = 138,798.52

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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.