Home / 316,913.49-437,344.07-173,670.48

Finding the Fourth Proportional to 316,913.49, 437,344.07 and 173,670.48

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Solution

The fourth proportional to 316,913.49, 437,344.07 and 173,670.48 is: 239,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,913.49 : 437,344.07 = 173,670.48 : x
  2. Step 2: Convert to fraction form
    316,913.49/437,344.07 = 173,670.48/x
  3. Step 3: Cross multiply
    316,913.49x = 437,344.07 × 173,670.48
  4. Step 4: Simplify right side
    316,913.49x = 75,953,753,693.70
  5. Step 5: Solve for x
    x = 75,953,753,693.70/316,913.49
  6. Step 6: Final answer
    x = 239,667.15

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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.