Home / 201,835.37-278,816.10-191,206.55

Finding the Fourth Proportional to 201,835.37, 278,816.10 and 191,206.55

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Solution

The fourth proportional to 201,835.37, 278,816.10 and 191,206.55 is: 264,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,835.37 : 278,816.10 = 191,206.55 : x
  2. Step 2: Convert to fraction form
    201,835.37/278,816.10 = 191,206.55/x
  3. Step 3: Cross multiply
    201,835.37x = 278,816.10 × 191,206.55
  4. Step 4: Simplify right side
    201,835.37x = 53,311,464,565.46
  5. Step 5: Solve for x
    x = 53,311,464,565.46/201,835.37
  6. Step 6: Final answer
    x = 264,133.41

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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.