Home / 190,187.22-285,213.28-70,218.50

Finding the Fourth Proportional to 190,187.22, 285,213.28 and 70,218.50

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Solution

The fourth proportional to 190,187.22, 285,213.28 and 70,218.50 is: 105,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,187.22 : 285,213.28 = 70,218.50 : x
  2. Step 2: Convert to fraction form
    190,187.22/285,213.28 = 70,218.50/x
  3. Step 3: Cross multiply
    190,187.22x = 285,213.28 × 70,218.50
  4. Step 4: Simplify right side
    190,187.22x = 20,027,247,034.24
  5. Step 5: Solve for x
    x = 20,027,247,034.24/190,187.22
  6. Step 6: Final answer
    x = 105,302.80

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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.