Home / 293,570.49-405,120.37-172,719.55

Finding the Fourth Proportional to 293,570.49, 405,120.37 and 172,719.55

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Solution

The fourth proportional to 293,570.49, 405,120.37 and 172,719.55 is: 238,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,570.49 : 405,120.37 = 172,719.55 : x
  2. Step 2: Convert to fraction form
    293,570.49/405,120.37 = 172,719.55/x
  3. Step 3: Cross multiply
    293,570.49x = 405,120.37 × 172,719.55
  4. Step 4: Simplify right side
    293,570.49x = 69,972,208,002.23
  5. Step 5: Solve for x
    x = 69,972,208,002.23/293,570.49
  6. Step 6: Final answer
    x = 238,348.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.