Home / 166,099.77-249,189.35-53,780.11

Finding the Fourth Proportional to 166,099.77, 249,189.35 and 53,780.11

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Solution

The fourth proportional to 166,099.77, 249,189.35 and 53,780.11 is: 80,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,099.77 : 249,189.35 = 53,780.11 : x
  2. Step 2: Convert to fraction form
    166,099.77/249,189.35 = 53,780.11/x
  3. Step 3: Cross multiply
    166,099.77x = 249,189.35 × 53,780.11
  4. Step 4: Simplify right side
    166,099.77x = 13,401,429,761.95
  5. Step 5: Solve for x
    x = 13,401,429,761.95/166,099.77
  6. Step 6: Final answer
    x = 80,683.01

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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.