Home / 168,205.33-252,312.64-54,358.01

Finding the Fourth Proportional to 168,205.33, 252,312.64 and 54,358.01

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Solution

The fourth proportional to 168,205.33, 252,312.64 and 54,358.01 is: 81,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,205.33 : 252,312.64 = 54,358.01 : x
  2. Step 2: Convert to fraction form
    168,205.33/252,312.64 = 54,358.01/x
  3. Step 3: Cross multiply
    168,205.33x = 252,312.64 × 54,358.01
  4. Step 4: Simplify right side
    168,205.33x = 13,715,213,008.25
  5. Step 5: Solve for x
    x = 13,715,213,008.25/168,205.33
  6. Step 6: Final answer
    x = 81,538.52

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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.