Home / 319,100.85-440,339.25-175,861.92

Finding the Fourth Proportional to 319,100.85, 440,339.25 and 175,861.92

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Solution

The fourth proportional to 319,100.85, 440,339.25 and 175,861.92 is: 242,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,100.85 : 440,339.25 = 175,861.92 : x
  2. Step 2: Convert to fraction form
    319,100.85/440,339.25 = 175,861.92/x
  3. Step 3: Cross multiply
    319,100.85x = 440,339.25 × 175,861.92
  4. Step 4: Simplify right side
    319,100.85x = 77,438,905,956.36
  5. Step 5: Solve for x
    x = 77,438,905,956.36/319,100.85
  6. Step 6: Final answer
    x = 242,678.47

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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.