Home / 451,734.48-677,615.40-114,775.16

Finding the Fourth Proportional to 451,734.48, 677,615.40 and 114,775.16

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Solution

The fourth proportional to 451,734.48, 677,615.40 and 114,775.16 is: 172,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,734.48 : 677,615.40 = 114,775.16 : x
  2. Step 2: Convert to fraction form
    451,734.48/677,615.40 = 114,775.16/x
  3. Step 3: Cross multiply
    451,734.48x = 677,615.40 × 114,775.16
  4. Step 4: Simplify right side
    451,734.48x = 77,773,412,565.39
  5. Step 5: Solve for x
    x = 77,773,412,565.39/451,734.48
  6. Step 6: Final answer
    x = 172,166.21

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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.