Home / 292,359.22-438,584.55-123,879.94

Finding the Fourth Proportional to 292,359.22, 438,584.55 and 123,879.94

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Solution

The fourth proportional to 292,359.22, 438,584.55 and 123,879.94 is: 185,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,359.22 : 438,584.55 = 123,879.94 : x
  2. Step 2: Convert to fraction form
    292,359.22/438,584.55 = 123,879.94/x
  3. Step 3: Cross multiply
    292,359.22x = 438,584.55 × 123,879.94
  4. Step 4: Simplify right side
    292,359.22x = 54,331,827,738.93
  5. Step 5: Solve for x
    x = 54,331,827,738.93/292,359.22
  6. Step 6: Final answer
    x = 185,839.28

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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.