Home / 104,200.40-156,320.08-34,083.52

Finding the Fourth Proportional to 104,200.40, 156,320.08 and 34,083.52

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Solution

The fourth proportional to 104,200.40, 156,320.08 and 34,083.52 is: 51,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,200.40 : 156,320.08 = 34,083.52 : x
  2. Step 2: Convert to fraction form
    104,200.40/156,320.08 = 34,083.52/x
  3. Step 3: Cross multiply
    104,200.40x = 156,320.08 × 34,083.52
  4. Step 4: Simplify right side
    104,200.40x = 5,327,938,573.08
  5. Step 5: Solve for x
    x = 5,327,938,573.08/104,200.40
  6. Step 6: Final answer
    x = 51,131.65

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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.