Home / 236,858.10-326,860.22-129,425.66

Finding the Fourth Proportional to 236,858.10, 326,860.22 and 129,425.66

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Solution

The fourth proportional to 236,858.10, 326,860.22 and 129,425.66 is: 178,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,858.10 : 326,860.22 = 129,425.66 : x
  2. Step 2: Convert to fraction form
    236,858.10/326,860.22 = 129,425.66/x
  3. Step 3: Cross multiply
    236,858.10x = 326,860.22 × 129,425.66
  4. Step 4: Simplify right side
    236,858.10x = 42,304,097,419.82
  5. Step 5: Solve for x
    x = 42,304,097,419.82/236,858.10
  6. Step 6: Final answer
    x = 178,605.24

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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.