Home / 316,982.19-437,446.26-173,742.20

Finding the Fourth Proportional to 316,982.19, 437,446.26 and 173,742.20

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Solution

The fourth proportional to 316,982.19, 437,446.26 and 173,742.20 is: 239,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,982.19 : 437,446.26 = 173,742.20 : x
  2. Step 2: Convert to fraction form
    316,982.19/437,446.26 = 173,742.20/x
  3. Step 3: Cross multiply
    316,982.19x = 437,446.26 × 173,742.20
  4. Step 4: Simplify right side
    316,982.19x = 76,002,873,406.94
  5. Step 5: Solve for x
    x = 76,002,873,406.94/316,982.19
  6. Step 6: Final answer
    x = 239,770.17

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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.