Home / 159,249.93-219,855.54-105,607.36

Finding the Fourth Proportional to 159,249.93, 219,855.54 and 105,607.36

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Solution

The fourth proportional to 159,249.93, 219,855.54 and 105,607.36 is: 145,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,249.93 : 219,855.54 = 105,607.36 : x
  2. Step 2: Convert to fraction form
    159,249.93/219,855.54 = 105,607.36/x
  3. Step 3: Cross multiply
    159,249.93x = 219,855.54 × 105,607.36
  4. Step 4: Simplify right side
    159,249.93x = 23,218,363,160.77
  5. Step 5: Solve for x
    x = 23,218,363,160.77/159,249.93
  6. Step 6: Final answer
    x = 145,798.27

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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.