Home / 212,225.26-292,869.46-120,362.03

Finding the Fourth Proportional to 212,225.26, 292,869.46 and 120,362.03

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Solution

The fourth proportional to 212,225.26, 292,869.46 and 120,362.03 is: 166,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,225.26 : 292,869.46 = 120,362.03 : x
  2. Step 2: Convert to fraction form
    212,225.26/292,869.46 = 120,362.03/x
  3. Step 3: Cross multiply
    212,225.26x = 292,869.46 × 120,362.03
  4. Step 4: Simplify right side
    212,225.26x = 35,250,363,161.87
  5. Step 5: Solve for x
    x = 35,250,363,161.87/212,225.26
  6. Step 6: Final answer
    x = 166,098.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.