Home / 131,395.35-181,325.55-70,965.98

Finding the Fourth Proportional to 131,395.35, 181,325.55 and 70,965.98

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Solution

The fourth proportional to 131,395.35, 181,325.55 and 70,965.98 is: 97,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,395.35 : 181,325.55 = 70,965.98 : x
  2. Step 2: Convert to fraction form
    131,395.35/181,325.55 = 70,965.98/x
  3. Step 3: Cross multiply
    131,395.35x = 181,325.55 × 70,965.98
  4. Step 4: Simplify right side
    131,395.35x = 12,867,945,354.79
  5. Step 5: Solve for x
    x = 12,867,945,354.79/131,395.35
  6. Step 6: Final answer
    x = 97,933.03

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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.