Home / 168,075.42-231,938.16-91,592.96

Finding the Fourth Proportional to 168,075.42, 231,938.16 and 91,592.96

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Solution

The fourth proportional to 168,075.42, 231,938.16 and 91,592.96 is: 126,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,075.42 : 231,938.16 = 91,592.96 : x
  2. Step 2: Convert to fraction form
    168,075.42/231,938.16 = 91,592.96/x
  3. Step 3: Cross multiply
    168,075.42x = 231,938.16 × 91,592.96
  4. Step 4: Simplify right side
    168,075.42x = 21,243,901,451.66
  5. Step 5: Solve for x
    x = 21,243,901,451.66/168,075.42
  6. Step 6: Final answer
    x = 126,395.05

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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.