Home / 127,585.86-190,910.73-106,473.79

Finding the Fourth Proportional to 127,585.86, 190,910.73 and 106,473.79

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Solution

The fourth proportional to 127,585.86, 190,910.73 and 106,473.79 is: 159,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,585.86 : 190,910.73 = 106,473.79 : x
  2. Step 2: Convert to fraction form
    127,585.86/190,910.73 = 106,473.79/x
  3. Step 3: Cross multiply
    127,585.86x = 190,910.73 × 106,473.79
  4. Step 4: Simplify right side
    127,585.86x = 20,326,988,020.21
  5. Step 5: Solve for x
    x = 20,326,988,020.21/127,585.86
  6. Step 6: Final answer
    x = 159,320.07

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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.