Home / 190,412.60-285,273.30-155,161.40

Finding the Fourth Proportional to 190,412.60, 285,273.30 and 155,161.40

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Solution

The fourth proportional to 190,412.60, 285,273.30 and 155,161.40 is: 232,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,412.60 : 285,273.30 = 155,161.40 : x
  2. Step 2: Convert to fraction form
    190,412.60/285,273.30 = 155,161.40/x
  3. Step 3: Cross multiply
    190,412.60x = 285,273.30 × 155,161.40
  4. Step 4: Simplify right side
    190,412.60x = 44,263,404,610.62
  5. Step 5: Solve for x
    x = 44,263,404,610.62/190,412.60
  6. Step 6: Final answer
    x = 232,460.48

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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.