Home / 319,693.28-441,191.20-183,771.36

Finding the Fourth Proportional to 319,693.28, 441,191.20 and 183,771.36

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Solution

The fourth proportional to 319,693.28, 441,191.20 and 183,771.36 is: 253,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,693.28 : 441,191.20 = 183,771.36 : x
  2. Step 2: Convert to fraction form
    319,693.28/441,191.20 = 183,771.36/x
  3. Step 3: Cross multiply
    319,693.28x = 441,191.20 × 183,771.36
  4. Step 4: Simplify right side
    319,693.28x = 81,078,306,844.03
  5. Step 5: Solve for x
    x = 81,078,306,844.03/319,693.28
  6. Step 6: Final answer
    x = 253,612.80

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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.