Home / 190,652.65-262,991.34-118,908.12

Finding the Fourth Proportional to 190,652.65, 262,991.34 and 118,908.12

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Solution

The fourth proportional to 190,652.65, 262,991.34 and 118,908.12 is: 164,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,652.65 : 262,991.34 = 118,908.12 : x
  2. Step 2: Convert to fraction form
    190,652.65/262,991.34 = 118,908.12/x
  3. Step 3: Cross multiply
    190,652.65x = 262,991.34 × 118,908.12
  4. Step 4: Simplify right side
    190,652.65x = 31,271,805,815.68
  5. Step 5: Solve for x
    x = 31,271,805,815.68/190,652.65
  6. Step 6: Final answer
    x = 164,025.03

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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.