Home / 212,375.02-293,043.94-121,713.52

Finding the Fourth Proportional to 212,375.02, 293,043.94 and 121,713.52

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Solution

The fourth proportional to 212,375.02, 293,043.94 and 121,713.52 is: 167,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,375.02 : 293,043.94 = 121,713.52 : x
  2. Step 2: Convert to fraction form
    212,375.02/293,043.94 = 121,713.52/x
  3. Step 3: Cross multiply
    212,375.02x = 293,043.94 × 121,713.52
  4. Step 4: Simplify right side
    212,375.02x = 35,667,409,452.07
  5. Step 5: Solve for x
    x = 35,667,409,452.07/212,375.02
  6. Step 6: Final answer
    x = 167,945.41

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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.