Home / 288,143.22-397,675.26-160,845.24

Finding the Fourth Proportional to 288,143.22, 397,675.26 and 160,845.24

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Solution

The fourth proportional to 288,143.22, 397,675.26 and 160,845.24 is: 221,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,143.22 : 397,675.26 = 160,845.24 : x
  2. Step 2: Convert to fraction form
    288,143.22/397,675.26 = 160,845.24/x
  3. Step 3: Cross multiply
    288,143.22x = 397,675.26 × 160,845.24
  4. Step 4: Simplify right side
    288,143.22x = 63,964,172,636.76
  5. Step 5: Solve for x
    x = 63,964,172,636.76/288,143.22
  6. Step 6: Final answer
    x = 221,987.43

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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.