Home / 103,667.41-155,558.51-96,138.65

Finding the Fourth Proportional to 103,667.41, 155,558.51 and 96,138.65

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Solution

The fourth proportional to 103,667.41, 155,558.51 and 96,138.65 is: 144,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,667.41 : 155,558.51 = 96,138.65 : x
  2. Step 2: Convert to fraction form
    103,667.41/155,558.51 = 96,138.65/x
  3. Step 3: Cross multiply
    103,667.41x = 155,558.51 × 96,138.65
  4. Step 4: Simplify right side
    103,667.41x = 14,955,185,147.41
  5. Step 5: Solve for x
    x = 14,955,185,147.41/103,667.41
  6. Step 6: Final answer
    x = 144,261.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.