Home / 190,154.79-262,416.75-104,112.36

Finding the Fourth Proportional to 190,154.79, 262,416.75 and 104,112.36

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Solution

The fourth proportional to 190,154.79, 262,416.75 and 104,112.36 is: 143,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,154.79 : 262,416.75 = 104,112.36 : x
  2. Step 2: Convert to fraction form
    190,154.79/262,416.75 = 104,112.36/x
  3. Step 3: Cross multiply
    190,154.79x = 262,416.75 × 104,112.36
  4. Step 4: Simplify right side
    190,154.79x = 27,320,827,146.03
  5. Step 5: Solve for x
    x = 27,320,827,146.03/190,154.79
  6. Step 6: Final answer
    x = 143,676.78

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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.