Home / 104,334.19-156,448.67-74,331.29

Finding the Fourth Proportional to 104,334.19, 156,448.67 and 74,331.29

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Solution

The fourth proportional to 104,334.19, 156,448.67 and 74,331.29 is: 111,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,334.19 : 156,448.67 = 74,331.29 : x
  2. Step 2: Convert to fraction form
    104,334.19/156,448.67 = 74,331.29/x
  3. Step 3: Cross multiply
    104,334.19x = 156,448.67 × 74,331.29
  4. Step 4: Simplify right side
    104,334.19x = 11,629,031,479.35
  5. Step 5: Solve for x
    x = 11,629,031,479.35/104,334.19
  6. Step 6: Final answer
    x = 111,459.45

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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.