Home / 316,731.40-437,089.43-173,496.60

Finding the Fourth Proportional to 316,731.40, 437,089.43 and 173,496.60

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Solution

The fourth proportional to 316,731.40, 437,089.43 and 173,496.60 is: 239,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,731.40 : 437,089.43 = 173,496.60 : x
  2. Step 2: Convert to fraction form
    316,731.40/437,089.43 = 173,496.60/x
  3. Step 3: Cross multiply
    316,731.40x = 437,089.43 × 173,496.60
  4. Step 4: Simplify right side
    316,731.40x = 75,833,530,434.68
  5. Step 5: Solve for x
    x = 75,833,530,434.68/316,731.40
  6. Step 6: Final answer
    x = 239,425.36

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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.