Home / 186,335.24-279,142.00-111,514.32

Finding the Fourth Proportional to 186,335.24, 279,142.00 and 111,514.32

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Solution

The fourth proportional to 186,335.24, 279,142.00 and 111,514.32 is: 167,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,335.24 : 279,142.00 = 111,514.32 : x
  2. Step 2: Convert to fraction form
    186,335.24/279,142.00 = 111,514.32/x
  3. Step 3: Cross multiply
    186,335.24x = 279,142.00 × 111,514.32
  4. Step 4: Simplify right side
    186,335.24x = 31,128,330,034.65
  5. Step 5: Solve for x
    x = 31,128,330,034.65/186,335.24
  6. Step 6: Final answer
    x = 167,055.52

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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.