Home / 190,215.58-262,494.26-105,330.82

Finding the Fourth Proportional to 190,215.58, 262,494.26 and 105,330.82

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Solution

The fourth proportional to 190,215.58, 262,494.26 and 105,330.82 is: 145,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,215.58 : 262,494.26 = 105,330.82 : x
  2. Step 2: Convert to fraction form
    190,215.58/262,494.26 = 105,330.82/x
  3. Step 3: Cross multiply
    190,215.58x = 262,494.26 × 105,330.82
  4. Step 4: Simplify right side
    190,215.58x = 27,648,735,651.09
  5. Step 5: Solve for x
    x = 27,648,735,651.09/190,215.58
  6. Step 6: Final answer
    x = 145,354.74

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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.