Home / 316,719.41-437,072.85-173,484.59

Finding the Fourth Proportional to 316,719.41, 437,072.85 and 173,484.59

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Solution

The fourth proportional to 316,719.41, 437,072.85 and 173,484.59 is: 239,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,719.41 : 437,072.85 = 173,484.59 : x
  2. Step 2: Convert to fraction form
    316,719.41/437,072.85 = 173,484.59/x
  3. Step 3: Cross multiply
    316,719.41x = 437,072.85 × 173,484.59
  4. Step 4: Simplify right side
    316,719.41x = 75,825,401,997.02
  5. Step 5: Solve for x
    x = 75,825,401,997.02/316,719.41
  6. Step 6: Final answer
    x = 239,408.77

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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.