Home / 160,669.78-239,568.20-156,255.82

Finding the Fourth Proportional to 160,669.78, 239,568.20 and 156,255.82

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Solution

The fourth proportional to 160,669.78, 239,568.20 and 156,255.82 is: 232,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,669.78 : 239,568.20 = 156,255.82 : x
  2. Step 2: Convert to fraction form
    160,669.78/239,568.20 = 156,255.82/x
  3. Step 3: Cross multiply
    160,669.78x = 239,568.20 × 156,255.82
  4. Step 4: Simplify right side
    160,669.78x = 37,433,924,742.68
  5. Step 5: Solve for x
    x = 37,433,924,742.68/160,669.78
  6. Step 6: Final answer
    x = 232,986.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.