Home / 190,381.46-262,727.97-105,499.94

Finding the Fourth Proportional to 190,381.46, 262,727.97 and 105,499.94

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Solution

The fourth proportional to 190,381.46, 262,727.97 and 105,499.94 is: 145,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,381.46 : 262,727.97 = 105,499.94 : x
  2. Step 2: Convert to fraction form
    190,381.46/262,727.97 = 105,499.94/x
  3. Step 3: Cross multiply
    190,381.46x = 262,727.97 × 105,499.94
  4. Step 4: Simplify right side
    190,381.46x = 27,717,785,071.32
  5. Step 5: Solve for x
    x = 27,717,785,071.32/190,381.46
  6. Step 6: Final answer
    x = 145,590.78

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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.