Home / 212,032.89-317,592.60-99,544.54

Finding the Fourth Proportional to 212,032.89, 317,592.60 and 99,544.54

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Solution

The fourth proportional to 212,032.89, 317,592.60 and 99,544.54 is: 149,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,032.89 : 317,592.60 = 99,544.54 : x
  2. Step 2: Convert to fraction form
    212,032.89/317,592.60 = 99,544.54/x
  3. Step 3: Cross multiply
    212,032.89x = 317,592.60 × 99,544.54
  4. Step 4: Simplify right side
    212,032.89x = 31,614,609,274.40
  5. Step 5: Solve for x
    x = 31,614,609,274.40/212,032.89
  6. Step 6: Final answer
    x = 149,102.39

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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.