Home / 144,308.92-215,406.62-127,265.02

Finding the Fourth Proportional to 144,308.92, 215,406.62 and 127,265.02

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Solution

The fourth proportional to 144,308.92, 215,406.62 and 127,265.02 is: 189,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,308.92 : 215,406.62 = 127,265.02 : x
  2. Step 2: Convert to fraction form
    144,308.92/215,406.62 = 127,265.02/x
  3. Step 3: Cross multiply
    144,308.92x = 215,406.62 × 127,265.02
  4. Step 4: Simplify right side
    144,308.92x = 27,413,727,802.43
  5. Step 5: Solve for x
    x = 27,413,727,802.43/144,308.92
  6. Step 6: Final answer
    x = 189,965.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.