Home / 190,408.16-262,759.92-104,366.40

Finding the Fourth Proportional to 190,408.16, 262,759.92 and 104,366.40

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Solution

The fourth proportional to 190,408.16, 262,759.92 and 104,366.40 is: 144,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,408.16 : 262,759.92 = 104,366.40 : x
  2. Step 2: Convert to fraction form
    190,408.16/262,759.92 = 104,366.40/x
  3. Step 3: Cross multiply
    190,408.16x = 262,759.92 × 104,366.40
  4. Step 4: Simplify right side
    190,408.16x = 27,423,306,914.69
  5. Step 5: Solve for x
    x = 27,423,306,914.69/190,408.16
  6. Step 6: Final answer
    x = 144,023.80

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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.