Home / 211,897.48-317,980.14-118,464.52

Finding the Fourth Proportional to 211,897.48, 317,980.14 and 118,464.52

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Solution

The fourth proportional to 211,897.48, 317,980.14 and 118,464.52 is: 177,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,897.48 : 317,980.14 = 118,464.52 : x
  2. Step 2: Convert to fraction form
    211,897.48/317,980.14 = 118,464.52/x
  3. Step 3: Cross multiply
    211,897.48x = 317,980.14 × 118,464.52
  4. Step 4: Simplify right side
    211,897.48x = 37,669,364,654.63
  5. Step 5: Solve for x
    x = 37,669,364,654.63/211,897.48
  6. Step 6: Final answer
    x = 177,771.65

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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.