Home / 211,973.40-317,619.90-112,003.20

Finding the Fourth Proportional to 211,973.40, 317,619.90 and 112,003.20

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Solution

The fourth proportional to 211,973.40, 317,619.90 and 112,003.20 is: 167,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,973.40 : 317,619.90 = 112,003.20 : x
  2. Step 2: Convert to fraction form
    211,973.40/317,619.90 = 112,003.20/x
  3. Step 3: Cross multiply
    211,973.40x = 317,619.90 × 112,003.20
  4. Step 4: Simplify right side
    211,973.40x = 35,574,445,183.68
  5. Step 5: Solve for x
    x = 35,574,445,183.68/211,973.40
  6. Step 6: Final answer
    x = 167,825.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.