Home / 319,327.28-440,661.56-176,093.36

Finding the Fourth Proportional to 319,327.28, 440,661.56 and 176,093.36

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Solution

The fourth proportional to 319,327.28, 440,661.56 and 176,093.36 is: 243,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,327.28 : 440,661.56 = 176,093.36 : x
  2. Step 2: Convert to fraction form
    319,327.28/440,661.56 = 176,093.36/x
  3. Step 3: Cross multiply
    319,327.28x = 440,661.56 × 176,093.36
  4. Step 4: Simplify right side
    319,327.28x = 77,597,574,723.24
  5. Step 5: Solve for x
    x = 77,597,574,723.24/319,327.28
  6. Step 6: Final answer
    x = 243,003.27

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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.