Home / 166,221.44-249,353.72-76,242.45

Finding the Fourth Proportional to 166,221.44, 249,353.72 and 76,242.45

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Solution

The fourth proportional to 166,221.44, 249,353.72 and 76,242.45 is: 114,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,221.44 : 249,353.72 = 76,242.45 : x
  2. Step 2: Convert to fraction form
    166,221.44/249,353.72 = 76,242.45/x
  3. Step 3: Cross multiply
    166,221.44x = 249,353.72 × 76,242.45
  4. Step 4: Simplify right side
    166,221.44x = 19,011,338,148.20
  5. Step 5: Solve for x
    x = 19,011,338,148.20/166,221.44
  6. Step 6: Final answer
    x = 114,373.57

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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.