Home / 189,151.58-261,024.26-103,112.27

Finding the Fourth Proportional to 189,151.58, 261,024.26 and 103,112.27

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Solution

The fourth proportional to 189,151.58, 261,024.26 and 103,112.27 is: 142,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,151.58 : 261,024.26 = 103,112.27 : x
  2. Step 2: Convert to fraction form
    189,151.58/261,024.26 = 103,112.27/x
  3. Step 3: Cross multiply
    189,151.58x = 261,024.26 × 103,112.27
  4. Step 4: Simplify right side
    189,151.58x = 26,914,802,832.70
  5. Step 5: Solve for x
    x = 26,914,802,832.70/189,151.58
  6. Step 6: Final answer
    x = 142,292.24

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1.5x scale

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.