Home / 316,909.29-437,346.01-173,669.33

Finding the Fourth Proportional to 316,909.29, 437,346.01 and 173,669.33

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Solution

The fourth proportional to 316,909.29, 437,346.01 and 173,669.33 is: 239,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,909.29 : 437,346.01 = 173,669.33 : x
  2. Step 2: Convert to fraction form
    316,909.29/437,346.01 = 173,669.33/x
  3. Step 3: Cross multiply
    316,909.29x = 437,346.01 × 173,669.33
  4. Step 4: Simplify right side
    316,909.29x = 75,953,587,511.83
  5. Step 5: Solve for x
    x = 75,953,587,511.83/316,909.29
  6. Step 6: Final answer
    x = 239,669.81

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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.