Home / 612,821.84-919,233.03-192,130.52

Finding the Fourth Proportional to 612,821.84, 919,233.03 and 192,130.52

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Solution

The fourth proportional to 612,821.84, 919,233.03 and 192,130.52 is: 288,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,821.84 : 919,233.03 = 192,130.52 : x
  2. Step 2: Convert to fraction form
    612,821.84/919,233.03 = 192,130.52/x
  3. Step 3: Cross multiply
    612,821.84x = 919,233.03 × 192,130.52
  4. Step 4: Simplify right side
    612,821.84x = 176,612,720,055.08
  5. Step 5: Solve for x
    x = 176,612,720,055.08/612,821.84
  6. Step 6: Final answer
    x = 288,195.86

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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.