Home / 190,625.39-285,940.13-57,506.80

Finding the Fourth Proportional to 190,625.39, 285,940.13 and 57,506.80

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Solution

The fourth proportional to 190,625.39, 285,940.13 and 57,506.80 is: 86,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,625.39 : 285,940.13 = 57,506.80 : x
  2. Step 2: Convert to fraction form
    190,625.39/285,940.13 = 57,506.80/x
  3. Step 3: Cross multiply
    190,625.39x = 285,940.13 × 57,506.80
  4. Step 4: Simplify right side
    190,625.39x = 16,443,501,296.80
  5. Step 5: Solve for x
    x = 16,443,501,296.80/190,625.39
  6. Step 6: Final answer
    x = 86,260.82

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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.