Home / 197,051.83-271,916.10-111,007.05

Finding the Fourth Proportional to 197,051.83, 271,916.10 and 111,007.05

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Solution

The fourth proportional to 197,051.83, 271,916.10 and 111,007.05 is: 153,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,051.83 : 271,916.10 = 111,007.05 : x
  2. Step 2: Convert to fraction form
    197,051.83/271,916.10 = 111,007.05/x
  3. Step 3: Cross multiply
    197,051.83x = 271,916.10 × 111,007.05
  4. Step 4: Simplify right side
    197,051.83x = 30,184,604,108.51
  5. Step 5: Solve for x
    x = 30,184,604,108.51/197,051.83
  6. Step 6: Final answer
    x = 153,181.04

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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.