Home / 166,962.52-250,332.72-86,803.60

Finding the Fourth Proportional to 166,962.52, 250,332.72 and 86,803.60

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Solution

The fourth proportional to 166,962.52, 250,332.72 and 86,803.60 is: 130,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,962.52 : 250,332.72 = 86,803.60 : x
  2. Step 2: Convert to fraction form
    166,962.52/250,332.72 = 86,803.60/x
  3. Step 3: Cross multiply
    166,962.52x = 250,332.72 × 86,803.60
  4. Step 4: Simplify right side
    166,962.52x = 21,729,781,293.79
  5. Step 5: Solve for x
    x = 21,729,781,293.79/166,962.52
  6. Step 6: Final answer
    x = 130,147.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.