Home / 119,058.54-178,463.61-40,145.64

Finding the Fourth Proportional to 119,058.54, 178,463.61 and 40,145.64

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Solution

The fourth proportional to 119,058.54, 178,463.61 and 40,145.64 is: 60,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,058.54 : 178,463.61 = 40,145.64 : x
  2. Step 2: Convert to fraction form
    119,058.54/178,463.61 = 40,145.64/x
  3. Step 3: Cross multiply
    119,058.54x = 178,463.61 × 40,145.64
  4. Step 4: Simplify right side
    119,058.54x = 7,164,535,840.16
  5. Step 5: Solve for x
    x = 7,164,535,840.16/119,058.54
  6. Step 6: Final answer
    x = 60,176.58

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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.