Home / 196,433.64-271,079.46-114,809.40

Finding the Fourth Proportional to 196,433.64, 271,079.46 and 114,809.40

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Solution

The fourth proportional to 196,433.64, 271,079.46 and 114,809.40 is: 158,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,433.64 : 271,079.46 = 114,809.40 : x
  2. Step 2: Convert to fraction form
    196,433.64/271,079.46 = 114,809.40/x
  3. Step 3: Cross multiply
    196,433.64x = 271,079.46 × 114,809.40
  4. Step 4: Simplify right side
    196,433.64x = 31,122,470,154.92
  5. Step 5: Solve for x
    x = 31,122,470,154.92/196,433.64
  6. Step 6: Final answer
    x = 158,437.58

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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.