Home / 190,264.43-262,465.38-117,644.12

Finding the Fourth Proportional to 190,264.43, 262,465.38 and 117,644.12

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Solution

The fourth proportional to 190,264.43, 262,465.38 and 117,644.12 is: 162,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,264.43 : 262,465.38 = 117,644.12 : x
  2. Step 2: Convert to fraction form
    190,264.43/262,465.38 = 117,644.12/x
  3. Step 3: Cross multiply
    190,264.43x = 262,465.38 × 117,644.12
  4. Step 4: Simplify right side
    190,264.43x = 30,877,508,660.57
  5. Step 5: Solve for x
    x = 30,877,508,660.57/190,264.43
  6. Step 6: Final answer
    x = 162,287.34

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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.