Home / 389,160.20-583,692-104,872.98

Finding the Fourth Proportional to 389,160.20, 583,692 and 104,872.98

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Solution

The fourth proportional to 389,160.20, 583,692 and 104,872.98 is: 157,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,160.20 : 583,692 = 104,872.98 : x
  2. Step 2: Convert to fraction form
    389,160.20/583,692 = 104,872.98/x
  3. Step 3: Cross multiply
    389,160.20x = 583,692 × 104,872.98
  4. Step 4: Simplify right side
    389,160.20x = 61,213,519,442.16
  5. Step 5: Solve for x
    x = 61,213,519,442.16/389,160.20
  6. Step 6: Final answer
    x = 157,296.46

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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.