Home / 236,307.38-326,091.20-134,318.66

Finding the Fourth Proportional to 236,307.38, 326,091.20 and 134,318.66

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Solution

The fourth proportional to 236,307.38, 326,091.20 and 134,318.66 is: 185,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,307.38 : 326,091.20 = 134,318.66 : x
  2. Step 2: Convert to fraction form
    236,307.38/326,091.20 = 134,318.66/x
  3. Step 3: Cross multiply
    236,307.38x = 326,091.20 × 134,318.66
  4. Step 4: Simplify right side
    236,307.38x = 43,800,133,021.79
  5. Step 5: Solve for x
    x = 43,800,133,021.79/236,307.38
  6. Step 6: Final answer
    x = 185,352.37

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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.