Home / 190,362.86-262,696.83-105,479.18

Finding the Fourth Proportional to 190,362.86, 262,696.83 and 105,479.18

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Solution

The fourth proportional to 190,362.86, 262,696.83 and 105,479.18 is: 145,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,362.86 : 262,696.83 = 105,479.18 : x
  2. Step 2: Convert to fraction form
    190,362.86/262,696.83 = 105,479.18/x
  3. Step 3: Cross multiply
    190,362.86x = 262,696.83 × 105,479.18
  4. Step 4: Simplify right side
    190,362.86x = 27,709,046,217.00
  5. Step 5: Solve for x
    x = 27,709,046,217.00/190,362.86
  6. Step 6: Final answer
    x = 145,559.10

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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.