Home / 313,036.65-431,823.96-190,566.27

Finding the Fourth Proportional to 313,036.65, 431,823.96 and 190,566.27

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Solution

The fourth proportional to 313,036.65, 431,823.96 and 190,566.27 is: 262,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,036.65 : 431,823.96 = 190,566.27 : x
  2. Step 2: Convert to fraction form
    313,036.65/431,823.96 = 190,566.27/x
  3. Step 3: Cross multiply
    313,036.65x = 431,823.96 × 190,566.27
  4. Step 4: Simplify right side
    313,036.65x = 82,291,081,353.83
  5. Step 5: Solve for x
    x = 82,291,081,353.83/313,036.65
  6. Step 6: Final answer
    x = 262,880.02

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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.