Home / 173,156.08-238,937.19-100,544.78

Finding the Fourth Proportional to 173,156.08, 238,937.19 and 100,544.78

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Solution

The fourth proportional to 173,156.08, 238,937.19 and 100,544.78 is: 138,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,156.08 : 238,937.19 = 100,544.78 : x
  2. Step 2: Convert to fraction form
    173,156.08/238,937.19 = 100,544.78/x
  3. Step 3: Cross multiply
    173,156.08x = 238,937.19 × 100,544.78
  4. Step 4: Simplify right side
    173,156.08x = 24,023,886,699.64
  5. Step 5: Solve for x
    x = 24,023,886,699.64/173,156.08
  6. Step 6: Final answer
    x = 138,741.23

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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.