Home / 293,582.48-405,144.60-172,728.32

Finding the Fourth Proportional to 293,582.48, 405,144.60 and 172,728.32

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Solution

The fourth proportional to 293,582.48, 405,144.60 and 172,728.32 is: 238,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,582.48 : 405,144.60 = 172,728.32 : x
  2. Step 2: Convert to fraction form
    293,582.48/405,144.60 = 172,728.32/x
  3. Step 3: Cross multiply
    293,582.48x = 405,144.60 × 172,728.32
  4. Step 4: Simplify right side
    293,582.48x = 69,979,946,115.07
  5. Step 5: Solve for x
    x = 69,979,946,115.07/293,582.48
  6. Step 6: Final answer
    x = 238,365.54

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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.