Home / 190,792.87-263,280.99-105,903.25

Finding the Fourth Proportional to 190,792.87, 263,280.99 and 105,903.25

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Solution

The fourth proportional to 190,792.87, 263,280.99 and 105,903.25 is: 146,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,792.87 : 263,280.99 = 105,903.25 : x
  2. Step 2: Convert to fraction form
    190,792.87/263,280.99 = 105,903.25/x
  3. Step 3: Cross multiply
    190,792.87x = 263,280.99 × 105,903.25
  4. Step 4: Simplify right side
    190,792.87x = 27,882,312,504.22
  5. Step 5: Solve for x
    x = 27,882,312,504.22/190,792.87
  6. Step 6: Final answer
    x = 146,139.17

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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.