Home / 190,579.28-262,913.16-118,976.96

Finding the Fourth Proportional to 190,579.28, 262,913.16 and 118,976.96

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Solution

The fourth proportional to 190,579.28, 262,913.16 and 118,976.96 is: 164,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,579.28 : 262,913.16 = 118,976.96 : x
  2. Step 2: Convert to fraction form
    190,579.28/262,913.16 = 118,976.96/x
  3. Step 3: Cross multiply
    190,579.28x = 262,913.16 × 118,976.96
  4. Step 4: Simplify right side
    190,579.28x = 31,280,608,520.79
  5. Step 5: Solve for x
    x = 31,280,608,520.79/190,579.28
  6. Step 6: Final answer
    x = 164,134.36

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1.5x scale

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.