Home / 212,836.46-293,704.44-122,130.32

Finding the Fourth Proportional to 212,836.46, 293,704.44 and 122,130.32

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Solution

The fourth proportional to 212,836.46, 293,704.44 and 122,130.32 is: 168,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,836.46 : 293,704.44 = 122,130.32 : x
  2. Step 2: Convert to fraction form
    212,836.46/293,704.44 = 122,130.32/x
  3. Step 3: Cross multiply
    212,836.46x = 293,704.44 × 122,130.32
  4. Step 4: Simplify right side
    212,836.46x = 35,870,217,242.62
  5. Step 5: Solve for x
    x = 35,870,217,242.62/212,836.46
  6. Step 6: Final answer
    x = 168,534.18

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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.