Home / 197,009.73-271,883.93-112,154.13

Finding the Fourth Proportional to 197,009.73, 271,883.93 and 112,154.13

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Solution

The fourth proportional to 197,009.73, 271,883.93 and 112,154.13 is: 154,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,009.73 : 271,883.93 = 112,154.13 : x
  2. Step 2: Convert to fraction form
    197,009.73/271,883.93 = 112,154.13/x
  3. Step 3: Cross multiply
    197,009.73x = 271,883.93 × 112,154.13
  4. Step 4: Simplify right side
    197,009.73x = 30,492,905,069.36
  5. Step 5: Solve for x
    x = 30,492,905,069.36/197,009.73
  6. Step 6: Final answer
    x = 154,778.68

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1.5x scale

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.