Home / 196,962.15-271,804.08-120,475.63

Finding the Fourth Proportional to 196,962.15, 271,804.08 and 120,475.63

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Solution

The fourth proportional to 196,962.15, 271,804.08 and 120,475.63 is: 166,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,962.15 : 271,804.08 = 120,475.63 : x
  2. Step 2: Convert to fraction form
    196,962.15/271,804.08 = 120,475.63/x
  3. Step 3: Cross multiply
    196,962.15x = 271,804.08 × 120,475.63
  4. Step 4: Simplify right side
    196,962.15x = 32,745,765,813.17
  5. Step 5: Solve for x
    x = 32,745,765,813.17/196,962.15
  6. Step 6: Final answer
    x = 166,254.10

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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.