Home / 190,165.38-262,430.04-105,284.26

Finding the Fourth Proportional to 190,165.38, 262,430.04 and 105,284.26

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Solution

The fourth proportional to 190,165.38, 262,430.04 and 105,284.26 is: 145,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,165.38 : 262,430.04 = 105,284.26 : x
  2. Step 2: Convert to fraction form
    190,165.38/262,430.04 = 105,284.26/x
  3. Step 3: Cross multiply
    190,165.38x = 262,430.04 × 105,284.26
  4. Step 4: Simplify right side
    190,165.38x = 27,629,752,563.17
  5. Step 5: Solve for x
    x = 27,629,752,563.17/190,165.38
  6. Step 6: Final answer
    x = 145,293.28

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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.