Home / 151,514.10-209,080.08-83,527.56

Finding the Fourth Proportional to 151,514.10, 209,080.08 and 83,527.56

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Solution

The fourth proportional to 151,514.10, 209,080.08 and 83,527.56 is: 115,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,514.10 : 209,080.08 = 83,527.56 : x
  2. Step 2: Convert to fraction form
    151,514.10/209,080.08 = 83,527.56/x
  3. Step 3: Cross multiply
    151,514.10x = 209,080.08 × 83,527.56
  4. Step 4: Simplify right side
    151,514.10x = 17,463,948,927.00
  5. Step 5: Solve for x
    x = 17,463,948,927.00/151,514.10
  6. Step 6: Final answer
    x = 115,262.86

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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.