Home / 190,287.60-285,430.56-48,134.20

Finding the Fourth Proportional to 190,287.60, 285,430.56 and 48,134.20

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Solution

The fourth proportional to 190,287.60, 285,430.56 and 48,134.20 is: 72,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,287.60 : 285,430.56 = 48,134.20 : x
  2. Step 2: Convert to fraction form
    190,287.60/285,430.56 = 48,134.20/x
  3. Step 3: Cross multiply
    190,287.60x = 285,430.56 × 48,134.20
  4. Step 4: Simplify right side
    190,287.60x = 13,738,971,661.15
  5. Step 5: Solve for x
    x = 13,738,971,661.15/190,287.60
  6. Step 6: Final answer
    x = 72,201.09

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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.