Home / 236,599.38-326,507.76-129,170.30

Finding the Fourth Proportional to 236,599.38, 326,507.76 and 129,170.30

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Solution

The fourth proportional to 236,599.38, 326,507.76 and 129,170.30 is: 178,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,599.38 : 326,507.76 = 129,170.30 : x
  2. Step 2: Convert to fraction form
    236,599.38/326,507.76 = 129,170.30/x
  3. Step 3: Cross multiply
    236,599.38x = 326,507.76 × 129,170.30
  4. Step 4: Simplify right side
    236,599.38x = 42,175,103,678.99
  5. Step 5: Solve for x
    x = 42,175,103,678.99/236,599.38
  6. Step 6: Final answer
    x = 178,255.34

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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.