Home / 157,445.34-236,003.99-68,675.01

Finding the Fourth Proportional to 157,445.34, 236,003.99 and 68,675.01

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Solution

The fourth proportional to 157,445.34, 236,003.99 and 68,675.01 is: 102,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,445.34 : 236,003.99 = 68,675.01 : x
  2. Step 2: Convert to fraction form
    157,445.34/236,003.99 = 68,675.01/x
  3. Step 3: Cross multiply
    157,445.34x = 236,003.99 × 68,675.01
  4. Step 4: Simplify right side
    157,445.34x = 16,207,576,029.91
  5. Step 5: Solve for x
    x = 16,207,576,029.91/157,445.34
  6. Step 6: Final answer
    x = 102,940.97

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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.