Home / 316,754.16-437,120.81-173,519.29

Finding the Fourth Proportional to 316,754.16, 437,120.81 and 173,519.29

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Solution

The fourth proportional to 316,754.16, 437,120.81 and 173,519.29 is: 239,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,754.16 : 437,120.81 = 173,519.29 : x
  2. Step 2: Convert to fraction form
    316,754.16/437,120.81 = 173,519.29/x
  3. Step 3: Cross multiply
    316,754.16x = 437,120.81 × 173,519.29
  4. Step 4: Simplify right side
    316,754.16x = 75,848,892,595.42
  5. Step 5: Solve for x
    x = 75,848,892,595.42/316,754.16
  6. Step 6: Final answer
    x = 239,456.66

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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.