Home / 236,808.08-355,215.26-79,036.48

Finding the Fourth Proportional to 236,808.08, 355,215.26 and 79,036.48

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Solution

The fourth proportional to 236,808.08, 355,215.26 and 79,036.48 is: 118,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,808.08 : 355,215.26 = 79,036.48 : x
  2. Step 2: Convert to fraction form
    236,808.08/355,215.26 = 79,036.48/x
  3. Step 3: Cross multiply
    236,808.08x = 355,215.26 × 79,036.48
  4. Step 4: Simplify right side
    236,808.08x = 28,074,963,792.68
  5. Step 5: Solve for x
    x = 28,074,963,792.68/236,808.08
  6. Step 6: Final answer
    x = 118,555.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.