Home / 211,510.50-317,274.39-53,743.02

Finding the Fourth Proportional to 211,510.50, 317,274.39 and 53,743.02

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Solution

The fourth proportional to 211,510.50, 317,274.39 and 53,743.02 is: 80,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,510.50 : 317,274.39 = 53,743.02 : x
  2. Step 2: Convert to fraction form
    211,510.50/317,274.39 = 53,743.02/x
  3. Step 3: Cross multiply
    211,510.50x = 317,274.39 × 53,743.02
  4. Step 4: Simplify right side
    211,510.50x = 17,051,283,887.26
  5. Step 5: Solve for x
    x = 17,051,283,887.26/211,510.50
  6. Step 6: Final answer
    x = 80,616.73

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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.