Home / 118,896.08-178,473.40-89,398.48

Finding the Fourth Proportional to 118,896.08, 178,473.40 and 89,398.48

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Solution

The fourth proportional to 118,896.08, 178,473.40 and 89,398.48 is: 134,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,896.08 : 178,473.40 = 89,398.48 : x
  2. Step 2: Convert to fraction form
    118,896.08/178,473.40 = 89,398.48/x
  3. Step 3: Cross multiply
    118,896.08x = 178,473.40 × 89,398.48
  4. Step 4: Simplify right side
    118,896.08x = 15,955,250,680.43
  5. Step 5: Solve for x
    x = 15,955,250,680.43/118,896.08
  6. Step 6: Final answer
    x = 134,194.93

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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.