Home / 334,531.63-501,793.08-81,814.31

Finding the Fourth Proportional to 334,531.63, 501,793.08 and 81,814.31

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Solution

The fourth proportional to 334,531.63, 501,793.08 and 81,814.31 is: 122,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,531.63 : 501,793.08 = 81,814.31 : x
  2. Step 2: Convert to fraction form
    334,531.63/501,793.08 = 81,814.31/x
  3. Step 3: Cross multiply
    334,531.63x = 501,793.08 × 81,814.31
  4. Step 4: Simplify right side
    334,531.63x = 41,053,852,094.01
  5. Step 5: Solve for x
    x = 41,053,852,094.01/334,531.63
  6. Step 6: Final answer
    x = 122,720.39

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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.