Home / 118,719.36-178,088.30-34,480.90

Finding the Fourth Proportional to 118,719.36, 178,088.30 and 34,480.90

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Solution

The fourth proportional to 118,719.36, 178,088.30 and 34,480.90 is: 51,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,719.36 : 178,088.30 = 34,480.90 : x
  2. Step 2: Convert to fraction form
    118,719.36/178,088.30 = 34,480.90/x
  3. Step 3: Cross multiply
    118,719.36x = 178,088.30 × 34,480.90
  4. Step 4: Simplify right side
    118,719.36x = 6,140,644,863.47
  5. Step 5: Solve for x
    x = 6,140,644,863.47/118,719.36
  6. Step 6: Final answer
    x = 51,724.04

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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.