Home / 110,223.36-151,838.28-79,919.64

Finding the Fourth Proportional to 110,223.36, 151,838.28 and 79,919.64

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Solution

The fourth proportional to 110,223.36, 151,838.28 and 79,919.64 is: 110,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,223.36 : 151,838.28 = 79,919.64 : x
  2. Step 2: Convert to fraction form
    110,223.36/151,838.28 = 79,919.64/x
  3. Step 3: Cross multiply
    110,223.36x = 151,838.28 × 79,919.64
  4. Step 4: Simplify right side
    110,223.36x = 12,134,860,675.82
  5. Step 5: Solve for x
    x = 12,134,860,675.82/110,223.36
  6. Step 6: Final answer
    x = 110,093.37

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1.5x scale

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.