Home / 190,281.45-262,588.72-104,238.55

Finding the Fourth Proportional to 190,281.45, 262,588.72 and 104,238.55

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Solution

The fourth proportional to 190,281.45, 262,588.72 and 104,238.55 is: 143,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,281.45 : 262,588.72 = 104,238.55 : x
  2. Step 2: Convert to fraction form
    190,281.45/262,588.72 = 104,238.55/x
  3. Step 3: Cross multiply
    190,281.45x = 262,588.72 × 104,238.55
  4. Step 4: Simplify right side
    190,281.45x = 27,371,867,419.16
  5. Step 5: Solve for x
    x = 27,371,867,419.16/190,281.45
  6. Step 6: Final answer
    x = 143,849.38

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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.