Home / 177,132.80-265,514.64-77,266.16

Finding the Fourth Proportional to 177,132.80, 265,514.64 and 77,266.16

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Solution

The fourth proportional to 177,132.80, 265,514.64 and 77,266.16 is: 115,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,132.80 : 265,514.64 = 77,266.16 : x
  2. Step 2: Convert to fraction form
    177,132.80/265,514.64 = 77,266.16/x
  3. Step 3: Cross multiply
    177,132.80x = 265,514.64 × 77,266.16
  4. Step 4: Simplify right side
    177,132.80x = 20,515,296,656.58
  5. Step 5: Solve for x
    x = 20,515,296,656.58/177,132.80
  6. Step 6: Final answer
    x = 115,818.73

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1.5x scale

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.