Home / 190,877.81-263,411.85-105,994.87

Finding the Fourth Proportional to 190,877.81, 263,411.85 and 105,994.87

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Solution

The fourth proportional to 190,877.81, 263,411.85 and 105,994.87 is: 146,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,877.81 : 263,411.85 = 105,994.87 : x
  2. Step 2: Convert to fraction form
    190,877.81/263,411.85 = 105,994.87/x
  3. Step 3: Cross multiply
    190,877.81x = 263,411.85 × 105,994.87
  4. Step 4: Simplify right side
    190,877.81x = 27,920,304,797.21
  5. Step 5: Solve for x
    x = 27,920,304,797.21/190,877.81
  6. Step 6: Final answer
    x = 146,273.18

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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.