Home / 212,344.39-293,047.87-121,706.21

Finding the Fourth Proportional to 212,344.39, 293,047.87 and 121,706.21

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Solution

The fourth proportional to 212,344.39, 293,047.87 and 121,706.21 is: 167,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,344.39 : 293,047.87 = 121,706.21 : x
  2. Step 2: Convert to fraction form
    212,344.39/293,047.87 = 121,706.21/x
  3. Step 3: Cross multiply
    212,344.39x = 293,047.87 × 121,706.21
  4. Step 4: Simplify right side
    212,344.39x = 35,665,744,050.94
  5. Step 5: Solve for x
    x = 35,665,744,050.94/212,344.39
  6. Step 6: Final answer
    x = 167,961.79

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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.