Home / 190,137.16-262,389.35-104,101.71

Finding the Fourth Proportional to 190,137.16, 262,389.35 and 104,101.71

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Solution

The fourth proportional to 190,137.16, 262,389.35 and 104,101.71 is: 143,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,137.16 : 262,389.35 = 104,101.71 : x
  2. Step 2: Convert to fraction form
    190,137.16/262,389.35 = 104,101.71/x
  3. Step 3: Cross multiply
    190,137.16x = 262,389.35 × 104,101.71
  4. Step 4: Simplify right side
    190,137.16x = 27,315,180,020.79
  5. Step 5: Solve for x
    x = 27,315,180,020.79/190,137.16
  6. Step 6: Final answer
    x = 143,660.40

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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.