Home / 190,168.81-262,432.97-104,133.21

Finding the Fourth Proportional to 190,168.81, 262,432.97 and 104,133.21

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Solution

The fourth proportional to 190,168.81, 262,432.97 and 104,133.21 is: 143,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,168.81 : 262,432.97 = 104,133.21 : x
  2. Step 2: Convert to fraction form
    190,168.81/262,432.97 = 104,133.21/x
  3. Step 3: Cross multiply
    190,168.81x = 262,432.97 × 104,133.21
  4. Step 4: Simplify right side
    190,168.81x = 27,327,988,232.02
  5. Step 5: Solve for x
    x = 27,327,988,232.02/190,168.81
  6. Step 6: Final answer
    x = 143,703.84

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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.