Home / 328,279.38-453,019.21-185,036.66

Finding the Fourth Proportional to 328,279.38, 453,019.21 and 185,036.66

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Solution

The fourth proportional to 328,279.38, 453,019.21 and 185,036.66 is: 255,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,279.38 : 453,019.21 = 185,036.66 : x
  2. Step 2: Convert to fraction form
    328,279.38/453,019.21 = 185,036.66/x
  3. Step 3: Cross multiply
    328,279.38x = 453,019.21 × 185,036.66
  4. Step 4: Simplify right side
    328,279.38x = 83,825,161,534.24
  5. Step 5: Solve for x
    x = 83,825,161,534.24/328,279.38
  6. Step 6: Final answer
    x = 255,347.02

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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.