Home / 288,085.30-397,521.03-160,766.26

Finding the Fourth Proportional to 288,085.30, 397,521.03 and 160,766.26

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Solution

The fourth proportional to 288,085.30, 397,521.03 and 160,766.26 is: 221,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,085.30 : 397,521.03 = 160,766.26 : x
  2. Step 2: Convert to fraction form
    288,085.30/397,521.03 = 160,766.26/x
  3. Step 3: Cross multiply
    288,085.30x = 397,521.03 × 160,766.26
  4. Step 4: Simplify right side
    288,085.30x = 63,907,968,873.52
  5. Step 5: Solve for x
    x = 63,907,968,873.52/288,085.30
  6. Step 6: Final answer
    x = 221,836.97

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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.