Home / 130,986.75-196,480.13-56,058.34

Finding the Fourth Proportional to 130,986.75, 196,480.13 and 56,058.34

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Solution

The fourth proportional to 130,986.75, 196,480.13 and 56,058.34 is: 84,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,986.75 : 196,480.13 = 56,058.34 : x
  2. Step 2: Convert to fraction form
    130,986.75/196,480.13 = 56,058.34/x
  3. Step 3: Cross multiply
    130,986.75x = 196,480.13 × 56,058.34
  4. Step 4: Simplify right side
    130,986.75x = 11,014,349,930.78
  5. Step 5: Solve for x
    x = 11,014,349,930.78/130,986.75
  6. Step 6: Final answer
    x = 84,087.51

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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.