Home / 236,560.42-326,442-134,576.29

Finding the Fourth Proportional to 236,560.42, 326,442 and 134,576.29

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Solution

The fourth proportional to 236,560.42, 326,442 and 134,576.29 is: 185,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,560.42 : 326,442 = 134,576.29 : x
  2. Step 2: Convert to fraction form
    236,560.42/326,442 = 134,576.29/x
  3. Step 3: Cross multiply
    236,560.42x = 326,442 × 134,576.29
  4. Step 4: Simplify right side
    236,560.42x = 43,931,353,260.18
  5. Step 5: Solve for x
    x = 43,931,353,260.18/236,560.42
  6. Step 6: Final answer
    x = 185,708.81

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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.