Home / 190,206.23-262,484.42-105,323.29

Finding the Fourth Proportional to 190,206.23, 262,484.42 and 105,323.29

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Solution

The fourth proportional to 190,206.23, 262,484.42 and 105,323.29 is: 145,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,206.23 : 262,484.42 = 105,323.29 : x
  2. Step 2: Convert to fraction form
    190,206.23/262,484.42 = 105,323.29/x
  3. Step 3: Cross multiply
    190,206.23x = 262,484.42 × 105,323.29
  4. Step 4: Simplify right side
    190,206.23x = 27,645,721,505.31
  5. Step 5: Solve for x
    x = 27,645,721,505.31/190,206.23
  6. Step 6: Final answer
    x = 145,346.04

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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.