Home / 104,209.12-156,313.28-25,323.58

Finding the Fourth Proportional to 104,209.12, 156,313.28 and 25,323.58

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Solution

The fourth proportional to 104,209.12, 156,313.28 and 25,323.58 is: 37,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,209.12 : 156,313.28 = 25,323.58 : x
  2. Step 2: Convert to fraction form
    104,209.12/156,313.28 = 25,323.58/x
  3. Step 3: Cross multiply
    104,209.12x = 156,313.28 × 25,323.58
  4. Step 4: Simplify right side
    104,209.12x = 3,958,411,724.52
  5. Step 5: Solve for x
    x = 3,958,411,724.52/104,209.12
  6. Step 6: Final answer
    x = 37,985.27

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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.