Home / 119,215.58-178,712.19-40,274.60

Finding the Fourth Proportional to 119,215.58, 178,712.19 and 40,274.60

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Solution

The fourth proportional to 119,215.58, 178,712.19 and 40,274.60 is: 60,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,215.58 : 178,712.19 = 40,274.60 : x
  2. Step 2: Convert to fraction form
    119,215.58/178,712.19 = 40,274.60/x
  3. Step 3: Cross multiply
    119,215.58x = 178,712.19 × 40,274.60
  4. Step 4: Simplify right side
    119,215.58x = 7,197,561,073.81
  5. Step 5: Solve for x
    x = 7,197,561,073.81/119,215.58
  6. Step 6: Final answer
    x = 60,374.34

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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.