Home / 612,849.52-919,274.46-192,158.20

Finding the Fourth Proportional to 612,849.52, 919,274.46 and 192,158.20

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Solution

The fourth proportional to 612,849.52, 919,274.46 and 192,158.20 is: 288,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,849.52 : 919,274.46 = 192,158.20 : x
  2. Step 2: Convert to fraction form
    612,849.52/919,274.46 = 192,158.20/x
  3. Step 3: Cross multiply
    612,849.52x = 919,274.46 × 192,158.20
  4. Step 4: Simplify right side
    612,849.52x = 176,646,125,539.57
  5. Step 5: Solve for x
    x = 176,646,125,539.57/612,849.52
  6. Step 6: Final answer
    x = 288,237.36

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1.5x scale

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.