Home / 211,475.29-291,854.35-116,000.43

Finding the Fourth Proportional to 211,475.29, 291,854.35 and 116,000.43

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Solution

The fourth proportional to 211,475.29, 291,854.35 and 116,000.43 is: 160,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,475.29 : 291,854.35 = 116,000.43 : x
  2. Step 2: Convert to fraction form
    211,475.29/291,854.35 = 116,000.43/x
  3. Step 3: Cross multiply
    211,475.29x = 291,854.35 × 116,000.43
  4. Step 4: Simplify right side
    211,475.29x = 33,855,230,097.37
  5. Step 5: Solve for x
    x = 33,855,230,097.37/211,475.29
  6. Step 6: Final answer
    x = 160,090.71

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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.