Home / 133,698.90-184,481.09-76,312.02

Finding the Fourth Proportional to 133,698.90, 184,481.09 and 76,312.02

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Solution

The fourth proportional to 133,698.90, 184,481.09 and 76,312.02 is: 105,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,698.90 : 184,481.09 = 76,312.02 : x
  2. Step 2: Convert to fraction form
    133,698.90/184,481.09 = 76,312.02/x
  3. Step 3: Cross multiply
    133,698.90x = 184,481.09 × 76,312.02
  4. Step 4: Simplify right side
    133,698.90x = 14,078,124,629.70
  5. Step 5: Solve for x
    x = 14,078,124,629.70/133,698.90
  6. Step 6: Final answer
    x = 105,297.24

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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.