Home / 306,936.54-459,904.23-188,357.40

Finding the Fourth Proportional to 306,936.54, 459,904.23 and 188,357.40

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Solution

The fourth proportional to 306,936.54, 459,904.23 and 188,357.40 is: 282,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,936.54 : 459,904.23 = 188,357.40 : x
  2. Step 2: Convert to fraction form
    306,936.54/459,904.23 = 188,357.40/x
  3. Step 3: Cross multiply
    306,936.54x = 459,904.23 × 188,357.40
  4. Step 4: Simplify right side
    306,936.54x = 86,626,365,011.80
  5. Step 5: Solve for x
    x = 86,626,365,011.80/306,936.54
  6. Step 6: Final answer
    x = 282,228.91

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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.