Home / 168,885.14-253,308.87-42,525.34

Finding the Fourth Proportional to 168,885.14, 253,308.87 and 42,525.34

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Solution

The fourth proportional to 168,885.14, 253,308.87 and 42,525.34 is: 63,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,885.14 : 253,308.87 = 42,525.34 : x
  2. Step 2: Convert to fraction form
    168,885.14/253,308.87 = 42,525.34/x
  3. Step 3: Cross multiply
    168,885.14x = 253,308.87 × 42,525.34
  4. Step 4: Simplify right side
    168,885.14x = 10,772,045,188.49
  5. Step 5: Solve for x
    x = 10,772,045,188.49/168,885.14
  6. Step 6: Final answer
    x = 63,783.26

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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.