Home / 315,669.29-473,565.69-115,991.33

Finding the Fourth Proportional to 315,669.29, 473,565.69 and 115,991.33

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Solution

The fourth proportional to 315,669.29, 473,565.69 and 115,991.33 is: 174,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,669.29 : 473,565.69 = 115,991.33 : x
  2. Step 2: Convert to fraction form
    315,669.29/473,565.69 = 115,991.33/x
  3. Step 3: Cross multiply
    315,669.29x = 473,565.69 × 115,991.33
  4. Step 4: Simplify right side
    315,669.29x = 54,929,511,857.64
  5. Step 5: Solve for x
    x = 54,929,511,857.64/315,669.29
  6. Step 6: Final answer
    x = 174,009.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.