Home / 190,673.42-263,128.59-104,633.85

Finding the Fourth Proportional to 190,673.42, 263,128.59 and 104,633.85

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Solution

The fourth proportional to 190,673.42, 263,128.59 and 104,633.85 is: 144,394.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,673.42 : 263,128.59 = 104,633.85 : x
  2. Step 2: Convert to fraction form
    190,673.42/263,128.59 = 104,633.85/x
  3. Step 3: Cross multiply
    190,673.42x = 263,128.59 × 104,633.85
  4. Step 4: Simplify right side
    190,673.42x = 27,532,157,416.77
  5. Step 5: Solve for x
    x = 27,532,157,416.77/190,673.42
  6. Step 6: Final answer
    x = 144,394.31

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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.