Home / 190,900.12-263,573.96-119,312.32

Finding the Fourth Proportional to 190,900.12, 263,573.96 and 119,312.32

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Solution

The fourth proportional to 190,900.12, 263,573.96 and 119,312.32 is: 164,733.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,900.12 : 263,573.96 = 119,312.32 : x
  2. Step 2: Convert to fraction form
    190,900.12/263,573.96 = 119,312.32/x
  3. Step 3: Cross multiply
    190,900.12x = 263,573.96 × 119,312.32
  4. Step 4: Simplify right side
    190,900.12x = 31,447,620,659.19
  5. Step 5: Solve for x
    x = 31,447,620,659.19/190,900.12
  6. Step 6: Final answer
    x = 164,733.37

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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.