Home / 376,877.20-564,964.44-127,384.72

Finding the Fourth Proportional to 376,877.20, 564,964.44 and 127,384.72

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Solution

The fourth proportional to 376,877.20, 564,964.44 and 127,384.72 is: 190,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,877.20 : 564,964.44 = 127,384.72 : x
  2. Step 2: Convert to fraction form
    376,877.20/564,964.44 = 127,384.72/x
  3. Step 3: Cross multiply
    376,877.20x = 564,964.44 × 127,384.72
  4. Step 4: Simplify right side
    376,877.20x = 71,967,836,999.36
  5. Step 5: Solve for x
    x = 71,967,836,999.36/376,877.20
  6. Step 6: Final answer
    x = 190,958.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.