Home / 197,051.76-271,931.74-112,168.82

Finding the Fourth Proportional to 197,051.76, 271,931.74 and 112,168.82

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Solution

The fourth proportional to 197,051.76, 271,931.74 and 112,168.82 is: 154,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,051.76 : 271,931.74 = 112,168.82 : x
  2. Step 2: Convert to fraction form
    197,051.76/271,931.74 = 112,168.82/x
  3. Step 3: Cross multiply
    197,051.76x = 271,931.74 × 112,168.82
  4. Step 4: Simplify right side
    197,051.76x = 30,502,262,396.35
  5. Step 5: Solve for x
    x = 30,502,262,396.35/197,051.76
  6. Step 6: Final answer
    x = 154,793.15

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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.