Home / 190,811.43-263,434.01-119,288.34

Finding the Fourth Proportional to 190,811.43, 263,434.01 and 119,288.34

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Solution

The fourth proportional to 190,811.43, 263,434.01 and 119,288.34 is: 164,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,811.43 : 263,434.01 = 119,288.34 : x
  2. Step 2: Convert to fraction form
    190,811.43/263,434.01 = 119,288.34/x
  3. Step 3: Cross multiply
    190,811.43x = 263,434.01 × 119,288.34
  4. Step 4: Simplify right side
    190,811.43x = 31,424,605,156.00
  5. Step 5: Solve for x
    x = 31,424,605,156.00/190,811.43
  6. Step 6: Final answer
    x = 164,689.32

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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.