Home / 166,314.09-249,628.86-102,942.53

Finding the Fourth Proportional to 166,314.09, 249,628.86 and 102,942.53

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Solution

The fourth proportional to 166,314.09, 249,628.86 and 102,942.53 is: 154,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,314.09 : 249,628.86 = 102,942.53 : x
  2. Step 2: Convert to fraction form
    166,314.09/249,628.86 = 102,942.53/x
  3. Step 3: Cross multiply
    166,314.09x = 249,628.86 × 102,942.53
  4. Step 4: Simplify right side
    166,314.09x = 25,697,425,161.27
  5. Step 5: Solve for x
    x = 25,697,425,161.27/166,314.09
  6. Step 6: Final answer
    x = 154,511.41

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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.