Home / 212,436.88-293,161.08-120,573.60

Finding the Fourth Proportional to 212,436.88, 293,161.08 and 120,573.60

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Solution

The fourth proportional to 212,436.88, 293,161.08 and 120,573.60 is: 166,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,436.88 : 293,161.08 = 120,573.60 : x
  2. Step 2: Convert to fraction form
    212,436.88/293,161.08 = 120,573.60/x
  3. Step 3: Cross multiply
    212,436.88x = 293,161.08 × 120,573.60
  4. Step 4: Simplify right side
    212,436.88x = 35,347,486,795.49
  5. Step 5: Solve for x
    x = 35,347,486,795.49/212,436.88
  6. Step 6: Final answer
    x = 166,390.54

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1.5x scale

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.