Home / 319,853.96-441,399.12-176,614.28

Finding the Fourth Proportional to 319,853.96, 441,399.12 and 176,614.28

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Solution

The fourth proportional to 319,853.96, 441,399.12 and 176,614.28 is: 243,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,853.96 : 441,399.12 = 176,614.28 : x
  2. Step 2: Convert to fraction form
    319,853.96/441,399.12 = 176,614.28/x
  3. Step 3: Cross multiply
    319,853.96x = 441,399.12 × 176,614.28
  4. Step 4: Simplify right side
    319,853.96x = 77,957,387,771.43
  5. Step 5: Solve for x
    x = 77,957,387,771.43/319,853.96
  6. Step 6: Final answer
    x = 243,728.07

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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.