Home / 165,748.70-248,623.05-119,438.30

Finding the Fourth Proportional to 165,748.70, 248,623.05 and 119,438.30

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Solution

The fourth proportional to 165,748.70, 248,623.05 and 119,438.30 is: 179,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,748.70 : 248,623.05 = 119,438.30 : x
  2. Step 2: Convert to fraction form
    165,748.70/248,623.05 = 119,438.30/x
  3. Step 3: Cross multiply
    165,748.70x = 248,623.05 × 119,438.30
  4. Step 4: Simplify right side
    165,748.70x = 29,695,114,432.82
  5. Step 5: Solve for x
    x = 29,695,114,432.82/165,748.70
  6. Step 6: Final answer
    x = 179,157.45

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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.