Home / 166,821.60-249,904.35-155,011.80

Finding the Fourth Proportional to 166,821.60, 249,904.35 and 155,011.80

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Solution

The fourth proportional to 166,821.60, 249,904.35 and 155,011.80 is: 232,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,821.60 : 249,904.35 = 155,011.80 : x
  2. Step 2: Convert to fraction form
    166,821.60/249,904.35 = 155,011.80/x
  3. Step 3: Cross multiply
    166,821.60x = 249,904.35 × 155,011.80
  4. Step 4: Simplify right side
    166,821.60x = 38,738,123,121.33
  5. Step 5: Solve for x
    x = 38,738,123,121.33/166,821.60
  6. Step 6: Final answer
    x = 232,212.87

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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.