Home / 159,027.47-219,453.27-91,042.19

Finding the Fourth Proportional to 159,027.47, 219,453.27 and 91,042.19

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Solution

The fourth proportional to 159,027.47, 219,453.27 and 91,042.19 is: 125,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,027.47 : 219,453.27 = 91,042.19 : x
  2. Step 2: Convert to fraction form
    159,027.47/219,453.27 = 91,042.19/x
  3. Step 3: Cross multiply
    159,027.47x = 219,453.27 × 91,042.19
  4. Step 4: Simplify right side
    159,027.47x = 19,979,506,303.46
  5. Step 5: Solve for x
    x = 19,979,506,303.46/159,027.47
  6. Step 6: Final answer
    x = 125,635.57

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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.