Home / 212,729.16-293,568.18-117,239.32

Finding the Fourth Proportional to 212,729.16, 293,568.18 and 117,239.32

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Solution

The fourth proportional to 212,729.16, 293,568.18 and 117,239.32 is: 161,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,729.16 : 293,568.18 = 117,239.32 : x
  2. Step 2: Convert to fraction form
    212,729.16/293,568.18 = 117,239.32/x
  3. Step 3: Cross multiply
    212,729.16x = 293,568.18 × 117,239.32
  4. Step 4: Simplify right side
    212,729.16x = 34,417,733,796.84
  5. Step 5: Solve for x
    x = 34,417,733,796.84/212,729.16
  6. Step 6: Final answer
    x = 161,791.33

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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.