Home / 372,126.66-513,519.26-210,992.60

Finding the Fourth Proportional to 372,126.66, 513,519.26 and 210,992.60

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Solution

The fourth proportional to 372,126.66, 513,519.26 and 210,992.60 is: 291,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,126.66 : 513,519.26 = 210,992.60 : x
  2. Step 2: Convert to fraction form
    372,126.66/513,519.26 = 210,992.60/x
  3. Step 3: Cross multiply
    372,126.66x = 513,519.26 × 210,992.60
  4. Step 4: Simplify right side
    372,126.66x = 108,348,763,817.48
  5. Step 5: Solve for x
    x = 108,348,763,817.48/372,126.66
  6. Step 6: Final answer
    x = 291,160.98

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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.