Home / 190,258.07-285,201.81-105,940.71

Finding the Fourth Proportional to 190,258.07, 285,201.81 and 105,940.71

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Solution

The fourth proportional to 190,258.07, 285,201.81 and 105,940.71 is: 158,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,258.07 : 285,201.81 = 105,940.71 : x
  2. Step 2: Convert to fraction form
    190,258.07/285,201.81 = 105,940.71/x
  3. Step 3: Cross multiply
    190,258.07x = 285,201.81 × 105,940.71
  4. Step 4: Simplify right side
    190,258.07x = 30,214,482,244.69
  5. Step 5: Solve for x
    x = 30,214,482,244.69/190,258.07
  6. Step 6: Final answer
    x = 158,807.89

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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.