Home / 190,533.15-262,935.32-105,648.03

Finding the Fourth Proportional to 190,533.15, 262,935.32 and 105,648.03

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Solution

The fourth proportional to 190,533.15, 262,935.32 and 105,648.03 is: 145,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,533.15 : 262,935.32 = 105,648.03 : x
  2. Step 2: Convert to fraction form
    190,533.15/262,935.32 = 105,648.03/x
  3. Step 3: Cross multiply
    190,533.15x = 262,935.32 × 105,648.03
  4. Step 4: Simplify right side
    190,533.15x = 27,778,598,047.18
  5. Step 5: Solve for x
    x = 27,778,598,047.18/190,533.15
  6. Step 6: Final answer
    x = 145,794.04

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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.