Home / 527,161.25-790,578.09-190,158.11

Finding the Fourth Proportional to 527,161.25, 790,578.09 and 190,158.11

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Solution

The fourth proportional to 527,161.25, 790,578.09 and 190,158.11 is: 285,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,161.25 : 790,578.09 = 190,158.11 : x
  2. Step 2: Convert to fraction form
    527,161.25/790,578.09 = 190,158.11/x
  3. Step 3: Cross multiply
    527,161.25x = 790,578.09 × 190,158.11
  4. Step 4: Simplify right side
    527,161.25x = 150,334,838,860.59
  5. Step 5: Solve for x
    x = 150,334,838,860.59/527,161.25
  6. Step 6: Final answer
    x = 285,178.09

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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.