Home / 319,178.61-440,463.56-173,984.36

Finding the Fourth Proportional to 319,178.61, 440,463.56 and 173,984.36

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Solution

The fourth proportional to 319,178.61, 440,463.56 and 173,984.36 is: 240,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,178.61 : 440,463.56 = 173,984.36 : x
  2. Step 2: Convert to fraction form
    319,178.61/440,463.56 = 173,984.36/x
  3. Step 3: Cross multiply
    319,178.61x = 440,463.56 × 173,984.36
  4. Step 4: Simplify right side
    319,178.61x = 76,633,767,517.68
  5. Step 5: Solve for x
    x = 76,633,767,517.68/319,178.61
  6. Step 6: Final answer
    x = 240,096.81

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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.