Home / 190,168.65-262,450.34-105,285.71

Finding the Fourth Proportional to 190,168.65, 262,450.34 and 105,285.71

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Solution

The fourth proportional to 190,168.65, 262,450.34 and 105,285.71 is: 145,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,168.65 : 262,450.34 = 105,285.71 : x
  2. Step 2: Convert to fraction form
    190,168.65/262,450.34 = 105,285.71/x
  3. Step 3: Cross multiply
    190,168.65x = 262,450.34 × 105,285.71
  4. Step 4: Simplify right side
    190,168.65x = 27,632,270,386.64
  5. Step 5: Solve for x
    x = 27,632,270,386.64/190,168.65
  6. Step 6: Final answer
    x = 145,304.03

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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.