Home / 110,145.56-152,004.18-77,937.92

Finding the Fourth Proportional to 110,145.56, 152,004.18 and 77,937.92

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Solution

The fourth proportional to 110,145.56, 152,004.18 and 77,937.92 is: 107,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,145.56 : 152,004.18 = 77,937.92 : x
  2. Step 2: Convert to fraction form
    110,145.56/152,004.18 = 77,937.92/x
  3. Step 3: Cross multiply
    110,145.56x = 152,004.18 × 77,937.92
  4. Step 4: Simplify right side
    110,145.56x = 11,846,889,620.51
  5. Step 5: Solve for x
    x = 11,846,889,620.51/110,145.56
  6. Step 6: Final answer
    x = 107,556.67

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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.