Home / 612,850.02-919,275.21-192,158.70

Finding the Fourth Proportional to 612,850.02, 919,275.21 and 192,158.70

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Solution

The fourth proportional to 612,850.02, 919,275.21 and 192,158.70 is: 288,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,850.02 : 919,275.21 = 192,158.70 : x
  2. Step 2: Convert to fraction form
    612,850.02/919,275.21 = 192,158.70/x
  3. Step 3: Cross multiply
    612,850.02x = 919,275.21 × 192,158.70
  4. Step 4: Simplify right side
    612,850.02x = 176,646,729,295.83
  5. Step 5: Solve for x
    x = 176,646,729,295.83/612,850.02
  6. Step 6: Final answer
    x = 288,238.11

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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.