Home / 131,146.83-196,917.08-75,050.28

Finding the Fourth Proportional to 131,146.83, 196,917.08 and 75,050.28

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Solution

The fourth proportional to 131,146.83, 196,917.08 and 75,050.28 is: 112,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,146.83 : 196,917.08 = 75,050.28 : x
  2. Step 2: Convert to fraction form
    131,146.83/196,917.08 = 75,050.28/x
  3. Step 3: Cross multiply
    131,146.83x = 196,917.08 × 75,050.28
  4. Step 4: Simplify right side
    131,146.83x = 14,778,681,615.53
  5. Step 5: Solve for x
    x = 14,778,681,615.53/131,146.83
  6. Step 6: Final answer
    x = 112,688.06

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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.