Home / 212,571.50-293,361.98-117,078.17

Finding the Fourth Proportional to 212,571.50, 293,361.98 and 117,078.17

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Solution

The fourth proportional to 212,571.50, 293,361.98 and 117,078.17 is: 161,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,571.50 : 293,361.98 = 117,078.17 : x
  2. Step 2: Convert to fraction form
    212,571.50/293,361.98 = 117,078.17/x
  3. Step 3: Cross multiply
    212,571.50x = 293,361.98 × 117,078.17
  4. Step 4: Simplify right side
    212,571.50x = 34,346,281,713.78
  5. Step 5: Solve for x
    x = 34,346,281,713.78/212,571.50
  6. Step 6: Final answer
    x = 161,575.20

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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.