Home / 173,788.42-239,786.49-105,804.58

Finding the Fourth Proportional to 173,788.42, 239,786.49 and 105,804.58

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Solution

The fourth proportional to 173,788.42, 239,786.49 and 105,804.58 is: 145,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,788.42 : 239,786.49 = 105,804.58 : x
  2. Step 2: Convert to fraction form
    173,788.42/239,786.49 = 105,804.58/x
  3. Step 3: Cross multiply
    173,788.42x = 239,786.49 × 105,804.58
  4. Step 4: Simplify right side
    173,788.42x = 25,370,508,864.12
  5. Step 5: Solve for x
    x = 25,370,508,864.12/173,788.42
  6. Step 6: Final answer
    x = 145,985.04

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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.