Home / 292,746.72-403,986.96-177,987.36

Finding the Fourth Proportional to 292,746.72, 403,986.96 and 177,987.36

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Solution

The fourth proportional to 292,746.72, 403,986.96 and 177,987.36 is: 245,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,746.72 : 403,986.96 = 177,987.36 : x
  2. Step 2: Convert to fraction form
    292,746.72/403,986.96 = 177,987.36/x
  3. Step 3: Cross multiply
    292,746.72x = 403,986.96 × 177,987.36
  4. Step 4: Simplify right side
    292,746.72x = 71,904,572,484.83
  5. Step 5: Solve for x
    x = 71,904,572,484.83/292,746.72
  6. Step 6: Final answer
    x = 245,620.42

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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.