Home / 668,178.66-1,002,415.43-194,901.06

Finding the Fourth Proportional to 668,178.66, 1,002,415.43 and 194,901.06

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Solution

The fourth proportional to 668,178.66, 1,002,415.43 and 194,901.06 is: 292,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,178.66 : 1,002,415.43 = 194,901.06 : x
  2. Step 2: Convert to fraction form
    668,178.66/1,002,415.43 = 194,901.06/x
  3. Step 3: Cross multiply
    668,178.66x = 1,002,415.43 × 194,901.06
  4. Step 4: Simplify right side
    668,178.66x = 195,371,829,867.36
  5. Step 5: Solve for x
    x = 195,371,829,867.36/668,178.66
  6. Step 6: Final answer
    x = 292,394.60

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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.