Home / 166,327.38-249,390.81-70,149.87

Finding the Fourth Proportional to 166,327.38, 249,390.81 and 70,149.87

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Solution

The fourth proportional to 166,327.38, 249,390.81 and 70,149.87 is: 105,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,327.38 : 249,390.81 = 70,149.87 : x
  2. Step 2: Convert to fraction form
    166,327.38/249,390.81 = 70,149.87/x
  3. Step 3: Cross multiply
    166,327.38x = 249,390.81 × 70,149.87
  4. Step 4: Simplify right side
    166,327.38x = 17,494,732,900.69
  5. Step 5: Solve for x
    x = 17,494,732,900.69/166,327.38
  6. Step 6: Final answer
    x = 105,182.52

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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.