Home / 190,079.52-261,879.58-156,034.09

Finding the Fourth Proportional to 190,079.52, 261,879.58 and 156,034.09

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Solution

The fourth proportional to 190,079.52, 261,879.58 and 156,034.09 is: 214,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,079.52 : 261,879.58 = 156,034.09 : x
  2. Step 2: Convert to fraction form
    190,079.52/261,879.58 = 156,034.09/x
  3. Step 3: Cross multiply
    190,079.52x = 261,879.58 × 156,034.09
  4. Step 4: Simplify right side
    190,079.52x = 40,862,141,954.88
  5. Step 5: Solve for x
    x = 40,862,141,954.88/190,079.52
  6. Step 6: Final answer
    x = 214,973.93

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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.