Home / 144,272.56-217,393.61-118,553.44

Finding the Fourth Proportional to 144,272.56, 217,393.61 and 118,553.44

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Solution

The fourth proportional to 144,272.56, 217,393.61 and 118,553.44 is: 178,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,272.56 : 217,393.61 = 118,553.44 : x
  2. Step 2: Convert to fraction form
    144,272.56/217,393.61 = 118,553.44/x
  3. Step 3: Cross multiply
    144,272.56x = 217,393.61 × 118,553.44
  4. Step 4: Simplify right side
    144,272.56x = 25,772,760,299.52
  5. Step 5: Solve for x
    x = 25,772,760,299.52/144,272.56
  6. Step 6: Final answer
    x = 178,639.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.