Home / 111,271.68-166,924.80-52,112.64

Finding the Fourth Proportional to 111,271.68, 166,924.80 and 52,112.64

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Solution

The fourth proportional to 111,271.68, 166,924.80 and 52,112.64 is: 78,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,271.68 : 166,924.80 = 52,112.64 : x
  2. Step 2: Convert to fraction form
    111,271.68/166,924.80 = 52,112.64/x
  3. Step 3: Cross multiply
    111,271.68x = 166,924.80 × 52,112.64
  4. Step 4: Simplify right side
    111,271.68x = 8,698,892,009.47
  5. Step 5: Solve for x
    x = 8,698,892,009.47/111,271.68
  6. Step 6: Final answer
    x = 78,177.05

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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.