Home / 345,764.17-477,160.46-190,733.28

Finding the Fourth Proportional to 345,764.17, 477,160.46 and 190,733.28

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Solution

The fourth proportional to 345,764.17, 477,160.46 and 190,733.28 is: 263,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,764.17 : 477,160.46 = 190,733.28 : x
  2. Step 2: Convert to fraction form
    345,764.17/477,160.46 = 190,733.28/x
  3. Step 3: Cross multiply
    345,764.17x = 477,160.46 × 190,733.28
  4. Step 4: Simplify right side
    345,764.17x = 91,010,379,622.11
  5. Step 5: Solve for x
    x = 91,010,379,622.11/345,764.17
  6. Step 6: Final answer
    x = 263,215.18

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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.