Home / 190,027.26-285,081.52-70,084.52

Finding the Fourth Proportional to 190,027.26, 285,081.52 and 70,084.52

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Solution

The fourth proportional to 190,027.26, 285,081.52 and 70,084.52 is: 105,141.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,027.26 : 285,081.52 = 70,084.52 : x
  2. Step 2: Convert to fraction form
    190,027.26/285,081.52 = 70,084.52/x
  3. Step 3: Cross multiply
    190,027.26x = 285,081.52 × 70,084.52
  4. Step 4: Simplify right side
    190,027.26x = 19,979,801,490.07
  5. Step 5: Solve for x
    x = 19,979,801,490.07/190,027.26
  6. Step 6: Final answer
    x = 105,141.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.