Home / 272,813.56-376,501.64-165,388.12

Finding the Fourth Proportional to 272,813.56, 376,501.64 and 165,388.12

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Solution

The fourth proportional to 272,813.56, 376,501.64 and 165,388.12 is: 228,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,813.56 : 376,501.64 = 165,388.12 : x
  2. Step 2: Convert to fraction form
    272,813.56/376,501.64 = 165,388.12/x
  3. Step 3: Cross multiply
    272,813.56x = 376,501.64 × 165,388.12
  4. Step 4: Simplify right side
    272,813.56x = 62,268,898,416.52
  5. Step 5: Solve for x
    x = 62,268,898,416.52/272,813.56
  6. Step 6: Final answer
    x = 228,247.08

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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.