Home / 236,936.76-326,981.52-129,514.08

Finding the Fourth Proportional to 236,936.76, 326,981.52 and 129,514.08

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Solution

The fourth proportional to 236,936.76, 326,981.52 and 129,514.08 is: 178,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,936.76 : 326,981.52 = 129,514.08 : x
  2. Step 2: Convert to fraction form
    236,936.76/326,981.52 = 129,514.08/x
  3. Step 3: Cross multiply
    236,936.76x = 326,981.52 × 129,514.08
  4. Step 4: Simplify right side
    236,936.76x = 42,348,710,739.80
  5. Step 5: Solve for x
    x = 42,348,710,739.80/236,936.76
  6. Step 6: Final answer
    x = 178,734.24

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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.