Home / 236,506.88-326,387.40-129,083.06

Finding the Fourth Proportional to 236,506.88, 326,387.40 and 129,083.06

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Solution

The fourth proportional to 236,506.88, 326,387.40 and 129,083.06 is: 178,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,506.88 : 326,387.40 = 129,083.06 : x
  2. Step 2: Convert to fraction form
    236,506.88/326,387.40 = 129,083.06/x
  3. Step 3: Cross multiply
    236,506.88x = 326,387.40 × 129,083.06
  4. Step 4: Simplify right side
    236,506.88x = 42,131,084,337.44
  5. Step 5: Solve for x
    x = 42,131,084,337.44/236,506.88
  6. Step 6: Final answer
    x = 178,138.94

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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.