Home / 190,085.13-285,181.56-95,200.72

Finding the Fourth Proportional to 190,085.13, 285,181.56 and 95,200.72

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Solution

The fourth proportional to 190,085.13, 285,181.56 and 95,200.72 is: 142,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,085.13 : 285,181.56 = 95,200.72 : x
  2. Step 2: Convert to fraction form
    190,085.13/285,181.56 = 95,200.72/x
  3. Step 3: Cross multiply
    190,085.13x = 285,181.56 × 95,200.72
  4. Step 4: Simplify right side
    190,085.13x = 27,149,489,129.77
  5. Step 5: Solve for x
    x = 27,149,489,129.77/190,085.13
  6. Step 6: Final answer
    x = 142,828.05

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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.