Home / 190,306.58-285,466.35-90,415.22

Finding the Fourth Proportional to 190,306.58, 285,466.35 and 90,415.22

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Solution

The fourth proportional to 190,306.58, 285,466.35 and 90,415.22 is: 135,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,306.58 : 285,466.35 = 90,415.22 : x
  2. Step 2: Convert to fraction form
    190,306.58/285,466.35 = 90,415.22/x
  3. Step 3: Cross multiply
    190,306.58x = 285,466.35 × 90,415.22
  4. Step 4: Simplify right side
    190,306.58x = 25,810,502,837.85
  5. Step 5: Solve for x
    x = 25,810,502,837.85/190,306.58
  6. Step 6: Final answer
    x = 135,625.91

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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.