Home / 144,081.68-198,594.72-96,317.60

Finding the Fourth Proportional to 144,081.68, 198,594.72 and 96,317.60

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Solution

The fourth proportional to 144,081.68, 198,594.72 and 96,317.60 is: 132,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,081.68 : 198,594.72 = 96,317.60 : x
  2. Step 2: Convert to fraction form
    144,081.68/198,594.72 = 96,317.60/x
  3. Step 3: Cross multiply
    144,081.68x = 198,594.72 × 96,317.60
  4. Step 4: Simplify right side
    144,081.68x = 19,128,166,803.07
  5. Step 5: Solve for x
    x = 19,128,166,803.07/144,081.68
  6. Step 6: Final answer
    x = 132,759.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.