Home / 159,009.48-219,428.46-91,024.16

Finding the Fourth Proportional to 159,009.48, 219,428.46 and 91,024.16

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Solution

The fourth proportional to 159,009.48, 219,428.46 and 91,024.16 is: 125,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,009.48 : 219,428.46 = 91,024.16 : x
  2. Step 2: Convert to fraction form
    159,009.48/219,428.46 = 91,024.16/x
  3. Step 3: Cross multiply
    159,009.48x = 219,428.46 × 91,024.16
  4. Step 4: Simplify right side
    159,009.48x = 19,973,290,154.45
  5. Step 5: Solve for x
    x = 19,973,290,154.45/159,009.48
  6. Step 6: Final answer
    x = 125,610.69

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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.