Home / 288,147.22-397,680.78-160,849.24

Finding the Fourth Proportional to 288,147.22, 397,680.78 and 160,849.24

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Solution

The fourth proportional to 288,147.22, 397,680.78 and 160,849.24 is: 221,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,147.22 : 397,680.78 = 160,849.24 : x
  2. Step 2: Convert to fraction form
    288,147.22/397,680.78 = 160,849.24/x
  3. Step 3: Cross multiply
    288,147.22x = 397,680.78 × 160,849.24
  4. Step 4: Simplify right side
    288,147.22x = 63,966,651,225.61
  5. Step 5: Solve for x
    x = 63,966,651,225.61/288,147.22
  6. Step 6: Final answer
    x = 221,992.95

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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.