Home / 190,362.79-284,883.19-118,286.11

Finding the Fourth Proportional to 190,362.79, 284,883.19 and 118,286.11

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Solution

The fourth proportional to 190,362.79, 284,883.19 and 118,286.11 is: 177,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,362.79 : 284,883.19 = 118,286.11 : x
  2. Step 2: Convert to fraction form
    190,362.79/284,883.19 = 118,286.11/x
  3. Step 3: Cross multiply
    190,362.79x = 284,883.19 × 118,286.11
  4. Step 4: Simplify right side
    190,362.79x = 33,697,724,349.49
  5. Step 5: Solve for x
    x = 33,697,724,349.49/190,362.79
  6. Step 6: Final answer
    x = 177,018.44

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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.