Home / 292,747.22-403,987.65-177,987.86

Finding the Fourth Proportional to 292,747.22, 403,987.65 and 177,987.86

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Solution

The fourth proportional to 292,747.22, 403,987.65 and 177,987.86 is: 245,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,747.22 : 403,987.65 = 177,987.86 : x
  2. Step 2: Convert to fraction form
    292,747.22/403,987.65 = 177,987.86/x
  3. Step 3: Cross multiply
    292,747.22x = 403,987.65 × 177,987.86
  4. Step 4: Simplify right side
    292,747.22x = 71,904,897,289.93
  5. Step 5: Solve for x
    x = 71,904,897,289.93/292,747.22
  6. Step 6: Final answer
    x = 245,621.11

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1.5x scale

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.