Home / 236,785.39-326,768.66-129,362.38

Finding the Fourth Proportional to 236,785.39, 326,768.66 and 129,362.38

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Solution

The fourth proportional to 236,785.39, 326,768.66 and 129,362.38 is: 178,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,785.39 : 326,768.66 = 129,362.38 : x
  2. Step 2: Convert to fraction form
    236,785.39/326,768.66 = 129,362.38/x
  3. Step 3: Cross multiply
    236,785.39x = 326,768.66 × 129,362.38
  4. Step 4: Simplify right side
    236,785.39x = 42,271,571,567.01
  5. Step 5: Solve for x
    x = 42,271,571,567.01/236,785.39
  6. Step 6: Final answer
    x = 178,522.72

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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.