Home / 312,244.04-430,907.22-191,361.97

Finding the Fourth Proportional to 312,244.04, 430,907.22 and 191,361.97

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Solution

The fourth proportional to 312,244.04, 430,907.22 and 191,361.97 is: 264,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,244.04 : 430,907.22 = 191,361.97 : x
  2. Step 2: Convert to fraction form
    312,244.04/430,907.22 = 191,361.97/x
  3. Step 3: Cross multiply
    312,244.04x = 430,907.22 × 191,361.97
  4. Step 4: Simplify right side
    312,244.04x = 82,459,254,984.83
  5. Step 5: Solve for x
    x = 82,459,254,984.83/312,244.04
  6. Step 6: Final answer
    x = 264,085.92

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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.