Home / 236,514.48-326,387.43-129,083.64

Finding the Fourth Proportional to 236,514.48, 326,387.43 and 129,083.64

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Solution

The fourth proportional to 236,514.48, 326,387.43 and 129,083.64 is: 178,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,514.48 : 326,387.43 = 129,083.64 : x
  2. Step 2: Convert to fraction form
    236,514.48/326,387.43 = 129,083.64/x
  3. Step 3: Cross multiply
    236,514.48x = 326,387.43 × 129,083.64
  4. Step 4: Simplify right side
    236,514.48x = 42,131,277,514.65
  5. Step 5: Solve for x
    x = 42,131,277,514.65/236,514.48
  6. Step 6: Final answer
    x = 178,134.03

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1.5x scale

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.