Home / 384,890.88-577,367.10-132,069.63

Finding the Fourth Proportional to 384,890.88, 577,367.10 and 132,069.63

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Solution

The fourth proportional to 384,890.88, 577,367.10 and 132,069.63 is: 198,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,890.88 : 577,367.10 = 132,069.63 : x
  2. Step 2: Convert to fraction form
    384,890.88/577,367.10 = 132,069.63/x
  3. Step 3: Cross multiply
    384,890.88x = 577,367.10 × 132,069.63
  4. Step 4: Simplify right side
    384,890.88x = 76,252,659,271.17
  5. Step 5: Solve for x
    x = 76,252,659,271.17/384,890.88
  6. Step 6: Final answer
    x = 198,115.01

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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.