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Finding the Fourth Proportional to 190,594.61, 285,531.05 and 127,223.65

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Solution

The fourth proportional to 190,594.61, 285,531.05 and 127,223.65 is: 190,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,594.61 : 285,531.05 = 127,223.65 : x
  2. Step 2: Convert to fraction form
    190,594.61/285,531.05 = 127,223.65/x
  3. Step 3: Cross multiply
    190,594.61x = 285,531.05 × 127,223.65
  4. Step 4: Simplify right side
    190,594.61x = 36,326,302,369.33
  5. Step 5: Solve for x
    x = 36,326,302,369.33/190,594.61
  6. Step 6: Final answer
    x = 190,594.59

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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.