Home / 319,760.55-441,257.90-176,520.15

Finding the Fourth Proportional to 319,760.55, 441,257.90 and 176,520.15

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Solution

The fourth proportional to 319,760.55, 441,257.90 and 176,520.15 is: 243,591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,760.55 : 441,257.90 = 176,520.15 : x
  2. Step 2: Convert to fraction form
    319,760.55/441,257.90 = 176,520.15/x
  3. Step 3: Cross multiply
    319,760.55x = 441,257.90 × 176,520.15
  4. Step 4: Simplify right side
    319,760.55x = 77,890,909,814.08
  5. Step 5: Solve for x
    x = 77,890,909,814.08/319,760.55
  6. Step 6: Final answer
    x = 243,591.37

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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.