Home / 189,451.51-261,441.40-104,566.75

Finding the Fourth Proportional to 189,451.51, 261,441.40 and 104,566.75

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Solution

The fourth proportional to 189,451.51, 261,441.40 and 104,566.75 is: 144,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,451.51 : 261,441.40 = 104,566.75 : x
  2. Step 2: Convert to fraction form
    189,451.51/261,441.40 = 104,566.75/x
  3. Step 3: Cross multiply
    189,451.51x = 261,441.40 × 104,566.75
  4. Step 4: Simplify right side
    189,451.51x = 27,338,077,513.45
  5. Step 5: Solve for x
    x = 27,338,077,513.45/189,451.51
  6. Step 6: Final answer
    x = 144,301.19

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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.