Home / 236,809.22-326,801.43-129,385.91

Finding the Fourth Proportional to 236,809.22, 326,801.43 and 129,385.91

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Solution

The fourth proportional to 236,809.22, 326,801.43 and 129,385.91 is: 178,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,809.22 : 326,801.43 = 129,385.91 : x
  2. Step 2: Convert to fraction form
    236,809.22/326,801.43 = 129,385.91/x
  3. Step 3: Cross multiply
    236,809.22x = 326,801.43 × 129,385.91
  4. Step 4: Simplify right side
    236,809.22x = 42,283,501,226.85
  5. Step 5: Solve for x
    x = 42,283,501,226.85/236,809.22
  6. Step 6: Final answer
    x = 178,555.13

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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.