Home / 166,678.56-249,100.48-121,793.36

Finding the Fourth Proportional to 166,678.56, 249,100.48 and 121,793.36

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Solution

The fourth proportional to 166,678.56, 249,100.48 and 121,793.36 is: 182,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,678.56 : 249,100.48 = 121,793.36 : x
  2. Step 2: Convert to fraction form
    166,678.56/249,100.48 = 121,793.36/x
  3. Step 3: Cross multiply
    166,678.56x = 249,100.48 × 121,793.36
  4. Step 4: Simplify right side
    166,678.56x = 30,338,783,343.55
  5. Step 5: Solve for x
    x = 30,338,783,343.55/166,678.56
  6. Step 6: Final answer
    x = 182,019.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.