Home / 190,667.64-263,152.74-105,812.04

Finding the Fourth Proportional to 190,667.64, 263,152.74 and 105,812.04

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Solution

The fourth proportional to 190,667.64, 263,152.74 and 105,812.04 is: 146,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,667.64 : 263,152.74 = 105,812.04 : x
  2. Step 2: Convert to fraction form
    190,667.64/263,152.74 = 105,812.04/x
  3. Step 3: Cross multiply
    190,667.64x = 263,152.74 × 105,812.04
  4. Step 4: Simplify right side
    190,667.64x = 27,844,728,250.99
  5. Step 5: Solve for x
    x = 27,844,728,250.99/190,667.64
  6. Step 6: Final answer
    x = 146,038.04

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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.