Home / 110,219.36-151,832.76-79,915.64

Finding the Fourth Proportional to 110,219.36, 151,832.76 and 79,915.64

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Solution

The fourth proportional to 110,219.36, 151,832.76 and 79,915.64 is: 110,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,219.36 : 151,832.76 = 79,915.64 : x
  2. Step 2: Convert to fraction form
    110,219.36/151,832.76 = 79,915.64/x
  3. Step 3: Cross multiply
    110,219.36x = 151,832.76 × 79,915.64
  4. Step 4: Simplify right side
    110,219.36x = 12,133,812,188.37
  5. Step 5: Solve for x
    x = 12,133,812,188.37/110,219.36
  6. Step 6: Final answer
    x = 110,087.85

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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.