Home / 166,615.74-229,765.88-152,785.39

Finding the Fourth Proportional to 166,615.74, 229,765.88 and 152,785.39

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Solution

The fourth proportional to 166,615.74, 229,765.88 and 152,785.39 is: 210,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,615.74 : 229,765.88 = 152,785.39 : x
  2. Step 2: Convert to fraction form
    166,615.74/229,765.88 = 152,785.39/x
  3. Step 3: Cross multiply
    166,615.74x = 229,765.88 × 152,785.39
  4. Step 4: Simplify right side
    166,615.74x = 35,104,869,966.46
  5. Step 5: Solve for x
    x = 35,104,869,966.46/166,615.74
  6. Step 6: Final answer
    x = 210,693.61

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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.