Home / 276,205.72-381,193.14-168,838.60

Finding the Fourth Proportional to 276,205.72, 381,193.14 and 168,838.60

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Solution

The fourth proportional to 276,205.72, 381,193.14 and 168,838.60 is: 233,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,205.72 : 381,193.14 = 168,838.60 : x
  2. Step 2: Convert to fraction form
    276,205.72/381,193.14 = 168,838.60/x
  3. Step 3: Cross multiply
    276,205.72x = 381,193.14 × 168,838.60
  4. Step 4: Simplify right side
    276,205.72x = 64,360,116,087.20
  5. Step 5: Solve for x
    x = 64,360,116,087.20/276,205.72
  6. Step 6: Final answer
    x = 233,015.15

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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.