Home / 211,941.63-317,899.58-75,171.51

Finding the Fourth Proportional to 211,941.63, 317,899.58 and 75,171.51

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Solution

The fourth proportional to 211,941.63, 317,899.58 and 75,171.51 is: 112,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,941.63 : 317,899.58 = 75,171.51 : x
  2. Step 2: Convert to fraction form
    211,941.63/317,899.58 = 75,171.51/x
  3. Step 3: Cross multiply
    211,941.63x = 317,899.58 × 75,171.51
  4. Step 4: Simplify right side
    211,941.63x = 23,896,991,081.11
  5. Step 5: Solve for x
    x = 23,896,991,081.11/211,941.63
  6. Step 6: Final answer
    x = 112,752.70

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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.