Home / 190,408.77-262,762.50-104,372.55

Finding the Fourth Proportional to 190,408.77, 262,762.50 and 104,372.55

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Solution

The fourth proportional to 190,408.77, 262,762.50 and 104,372.55 is: 144,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,408.77 : 262,762.50 = 104,372.55 : x
  2. Step 2: Convert to fraction form
    190,408.77/262,762.50 = 104,372.55/x
  3. Step 3: Cross multiply
    190,408.77x = 262,762.50 × 104,372.55
  4. Step 4: Simplify right side
    190,408.77x = 27,425,192,169.38
  5. Step 5: Solve for x
    x = 27,425,192,169.38/190,408.77
  6. Step 6: Final answer
    x = 144,033.24

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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.