Home / 388,942.32-583,171.56-164,187.12

Finding the Fourth Proportional to 388,942.32, 583,171.56 and 164,187.12

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Solution

The fourth proportional to 388,942.32, 583,171.56 and 164,187.12 is: 246,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,942.32 : 583,171.56 = 164,187.12 : x
  2. Step 2: Convert to fraction form
    388,942.32/583,171.56 = 164,187.12/x
  3. Step 3: Cross multiply
    388,942.32x = 583,171.56 × 164,187.12
  4. Step 4: Simplify right side
    388,942.32x = 95,749,258,902.31
  5. Step 5: Solve for x
    x = 95,749,258,902.31/388,942.32
  6. Step 6: Final answer
    x = 246,178.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.