Home / 168,075.68-231,937.64-91,593.13

Finding the Fourth Proportional to 168,075.68, 231,937.64 and 91,593.13

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Solution

The fourth proportional to 168,075.68, 231,937.64 and 91,593.13 is: 126,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,075.68 : 231,937.64 = 91,593.13 : x
  2. Step 2: Convert to fraction form
    168,075.68/231,937.64 = 91,593.13/x
  3. Step 3: Cross multiply
    168,075.68x = 231,937.64 × 91,593.13
  4. Step 4: Simplify right side
    168,075.68x = 21,243,893,837.71
  5. Step 5: Solve for x
    x = 21,243,893,837.71/168,075.68
  6. Step 6: Final answer
    x = 126,394.81

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1.5x scale

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.