Home / 164,790.79-247,186.19-76,018.03

Finding the Fourth Proportional to 164,790.79, 247,186.19 and 76,018.03

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Solution

The fourth proportional to 164,790.79, 247,186.19 and 76,018.03 is: 114,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,790.79 : 247,186.19 = 76,018.03 : x
  2. Step 2: Convert to fraction form
    164,790.79/247,186.19 = 76,018.03/x
  3. Step 3: Cross multiply
    164,790.79x = 247,186.19 × 76,018.03
  4. Step 4: Simplify right side
    164,790.79x = 18,790,607,207.01
  5. Step 5: Solve for x
    x = 18,790,607,207.01/164,790.79
  6. Step 6: Final answer
    x = 114,027.05

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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.