Home / 130,934.37-196,409.35-40,993.93

Finding the Fourth Proportional to 130,934.37, 196,409.35 and 40,993.93

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Solution

The fourth proportional to 130,934.37, 196,409.35 and 40,993.93 is: 61,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,934.37 : 196,409.35 = 40,993.93 : x
  2. Step 2: Convert to fraction form
    130,934.37/196,409.35 = 40,993.93/x
  3. Step 3: Cross multiply
    130,934.37x = 196,409.35 × 40,993.93
  4. Step 4: Simplify right side
    130,934.37x = 8,051,590,163.20
  5. Step 5: Solve for x
    x = 8,051,590,163.20/130,934.37
  6. Step 6: Final answer
    x = 61,493.33

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1.5x scale

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.