Home / 166,087.06-249,009.89-66,217.30

Finding the Fourth Proportional to 166,087.06, 249,009.89 and 66,217.30

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Solution

The fourth proportional to 166,087.06, 249,009.89 and 66,217.30 is: 99,277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,087.06 : 249,009.89 = 66,217.30 : x
  2. Step 2: Convert to fraction form
    166,087.06/249,009.89 = 66,217.30/x
  3. Step 3: Cross multiply
    166,087.06x = 249,009.89 × 66,217.30
  4. Step 4: Simplify right side
    166,087.06x = 16,488,761,635.49
  5. Step 5: Solve for x
    x = 16,488,761,635.49/166,087.06
  6. Step 6: Final answer
    x = 99,277.82

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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.