Home / 190,245.72-285,370.98-57,118.24

Finding the Fourth Proportional to 190,245.72, 285,370.98 and 57,118.24

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Solution

The fourth proportional to 190,245.72, 285,370.98 and 57,118.24 is: 85,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,245.72 : 285,370.98 = 57,118.24 : x
  2. Step 2: Convert to fraction form
    190,245.72/285,370.98 = 57,118.24/x
  3. Step 3: Cross multiply
    190,245.72x = 285,370.98 × 57,118.24
  4. Step 4: Simplify right side
    190,245.72x = 16,299,888,124.68
  5. Step 5: Solve for x
    x = 16,299,888,124.68/190,245.72
  6. Step 6: Final answer
    x = 85,678.08

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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.