Home / 189,208.33-261,125.96-141,378.64

Finding the Fourth Proportional to 189,208.33, 261,125.96 and 141,378.64

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Solution

The fourth proportional to 189,208.33, 261,125.96 and 141,378.64 is: 195,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,208.33 : 261,125.96 = 141,378.64 : x
  2. Step 2: Convert to fraction form
    189,208.33/261,125.96 = 141,378.64/x
  3. Step 3: Cross multiply
    189,208.33x = 261,125.96 × 141,378.64
  4. Step 4: Simplify right side
    189,208.33x = 36,917,631,733.79
  5. Step 5: Solve for x
    x = 36,917,631,733.79/189,208.33
  6. Step 6: Final answer
    x = 195,116.32

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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.