Home / 131,393.41-181,322.85-70,964.03

Finding the Fourth Proportional to 131,393.41, 181,322.85 and 70,964.03

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Solution

The fourth proportional to 131,393.41, 181,322.85 and 70,964.03 is: 97,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,393.41 : 181,322.85 = 70,964.03 : x
  2. Step 2: Convert to fraction form
    131,393.41/181,322.85 = 70,964.03/x
  3. Step 3: Cross multiply
    131,393.41x = 181,322.85 × 70,964.03
  4. Step 4: Simplify right side
    131,393.41x = 12,867,400,886.51
  5. Step 5: Solve for x
    x = 12,867,400,886.51/131,393.41
  6. Step 6: Final answer
    x = 97,930.34

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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.