Home / 372,231.66-513,858.15-229,114.38

Finding the Fourth Proportional to 372,231.66, 513,858.15 and 229,114.38

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Solution

The fourth proportional to 372,231.66, 513,858.15 and 229,114.38 is: 316,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,231.66 : 513,858.15 = 229,114.38 : x
  2. Step 2: Convert to fraction form
    372,231.66/513,858.15 = 229,114.38/x
  3. Step 3: Cross multiply
    372,231.66x = 513,858.15 × 229,114.38
  4. Step 4: Simplify right side
    372,231.66x = 117,732,291,445.20
  5. Step 5: Solve for x
    x = 117,732,291,445.20/372,231.66
  6. Step 6: Final answer
    x = 316,287.69

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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.