Home / 668,172.16-1,002,405.66-194,894.56

Finding the Fourth Proportional to 668,172.16, 1,002,405.66 and 194,894.56

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Solution

The fourth proportional to 668,172.16, 1,002,405.66 and 194,894.56 is: 292,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,172.16 : 1,002,405.66 = 194,894.56 : x
  2. Step 2: Convert to fraction form
    668,172.16/1,002,405.66 = 194,894.56/x
  3. Step 3: Cross multiply
    668,172.16x = 1,002,405.66 × 194,894.56
  4. Step 4: Simplify right side
    668,172.16x = 195,363,410,047.21
  5. Step 5: Solve for x
    x = 195,363,410,047.21/668,172.16
  6. Step 6: Final answer
    x = 292,384.84

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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.