Home / 288,981.17-398,777.97-161,632.16

Finding the Fourth Proportional to 288,981.17, 398,777.97 and 161,632.16

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Solution

The fourth proportional to 288,981.17, 398,777.97 and 161,632.16 is: 223,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,981.17 : 398,777.97 = 161,632.16 : x
  2. Step 2: Convert to fraction form
    288,981.17/398,777.97 = 161,632.16/x
  3. Step 3: Cross multiply
    288,981.17x = 398,777.97 × 161,632.16
  4. Step 4: Simplify right side
    288,981.17x = 64,455,341,849.46
  5. Step 5: Solve for x
    x = 64,455,341,849.46/288,981.17
  6. Step 6: Final answer
    x = 223,043.40

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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.