Home / 166,190.13-249,286.41-61,009.20

Finding the Fourth Proportional to 166,190.13, 249,286.41 and 61,009.20

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Solution

The fourth proportional to 166,190.13, 249,286.41 and 61,009.20 is: 91,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,190.13 : 249,286.41 = 61,009.20 : x
  2. Step 2: Convert to fraction form
    166,190.13/249,286.41 = 61,009.20/x
  3. Step 3: Cross multiply
    166,190.13x = 249,286.41 × 61,009.20
  4. Step 4: Simplify right side
    166,190.13x = 15,208,764,444.97
  5. Step 5: Solve for x
    x = 15,208,764,444.97/166,190.13
  6. Step 6: Final answer
    x = 91,514.25

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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.