Home / 166,084.32-249,005.76-66,214.56

Finding the Fourth Proportional to 166,084.32, 249,005.76 and 66,214.56

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Solution

The fourth proportional to 166,084.32, 249,005.76 and 66,214.56 is: 99,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,084.32 : 249,005.76 = 66,214.56 : x
  2. Step 2: Convert to fraction form
    166,084.32/249,005.76 = 66,214.56/x
  3. Step 3: Cross multiply
    166,084.32x = 249,005.76 × 66,214.56
  4. Step 4: Simplify right side
    166,084.32x = 16,487,806,835.87
  5. Step 5: Solve for x
    x = 16,487,806,835.87/166,084.32
  6. Step 6: Final answer
    x = 99,273.71

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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.