Home / 166,669.20-249,951.90-55,835.28

Finding the Fourth Proportional to 166,669.20, 249,951.90 and 55,835.28

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Solution

The fourth proportional to 166,669.20, 249,951.90 and 55,835.28 is: 83,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,669.20 : 249,951.90 = 55,835.28 : x
  2. Step 2: Convert to fraction form
    166,669.20/249,951.90 = 55,835.28/x
  3. Step 3: Cross multiply
    166,669.20x = 249,951.90 × 55,835.28
  4. Step 4: Simplify right side
    166,669.20x = 13,956,134,323.03
  5. Step 5: Solve for x
    x = 13,956,134,323.03/166,669.20
  6. Step 6: Final answer
    x = 83,735.53

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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.