Home / 190,531.14-285,798.96-131,350.92

Finding the Fourth Proportional to 190,531.14, 285,798.96 and 131,350.92

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Solution

The fourth proportional to 190,531.14, 285,798.96 and 131,350.92 is: 197,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,531.14 : 285,798.96 = 131,350.92 : x
  2. Step 2: Convert to fraction form
    190,531.14/285,798.96 = 131,350.92/x
  3. Step 3: Cross multiply
    190,531.14x = 285,798.96 × 131,350.92
  4. Step 4: Simplify right side
    190,531.14x = 37,539,956,331.04
  5. Step 5: Solve for x
    x = 37,539,956,331.04/190,531.14
  6. Step 6: Final answer
    x = 197,027.93

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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.