Home / 212,198.16-292,835.91-116,706.45

Finding the Fourth Proportional to 212,198.16, 292,835.91 and 116,706.45

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Solution

The fourth proportional to 212,198.16, 292,835.91 and 116,706.45 is: 161,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,198.16 : 292,835.91 = 116,706.45 : x
  2. Step 2: Convert to fraction form
    212,198.16/292,835.91 = 116,706.45/x
  3. Step 3: Cross multiply
    212,198.16x = 292,835.91 × 116,706.45
  4. Step 4: Simplify right side
    212,198.16x = 34,175,840,367.93
  5. Step 5: Solve for x
    x = 34,175,840,367.93/212,198.16
  6. Step 6: Final answer
    x = 161,056.25

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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.