Home / 319,550.24-440,980.76-176,310.20

Finding the Fourth Proportional to 319,550.24, 440,980.76 and 176,310.20

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Solution

The fourth proportional to 319,550.24, 440,980.76 and 176,310.20 is: 243,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,550.24 : 440,980.76 = 176,310.20 : x
  2. Step 2: Convert to fraction form
    319,550.24/440,980.76 = 176,310.20/x
  3. Step 3: Cross multiply
    319,550.24x = 440,980.76 × 176,310.20
  4. Step 4: Simplify right side
    319,550.24x = 77,749,405,991.75
  5. Step 5: Solve for x
    x = 77,749,405,991.75/319,550.24
  6. Step 6: Final answer
    x = 243,308.86

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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.