Home / 169,960.60-234,528.78-129,700.36

Finding the Fourth Proportional to 169,960.60, 234,528.78 and 129,700.36

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Solution

The fourth proportional to 169,960.60, 234,528.78 and 129,700.36 is: 178,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,960.60 : 234,528.78 = 129,700.36 : x
  2. Step 2: Convert to fraction form
    169,960.60/234,528.78 = 129,700.36/x
  3. Step 3: Cross multiply
    169,960.60x = 234,528.78 × 129,700.36
  4. Step 4: Simplify right side
    169,960.60x = 30,418,467,196.36
  5. Step 5: Solve for x
    x = 30,418,467,196.36/169,960.60
  6. Step 6: Final answer
    x = 178,973.64

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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.