Home / 275,587.02-380,351.70-168,219.54

Finding the Fourth Proportional to 275,587.02, 380,351.70 and 168,219.54

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Solution

The fourth proportional to 275,587.02, 380,351.70 and 168,219.54 is: 232,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,587.02 : 380,351.70 = 168,219.54 : x
  2. Step 2: Convert to fraction form
    275,587.02/380,351.70 = 168,219.54/x
  3. Step 3: Cross multiply
    275,587.02x = 380,351.70 × 168,219.54
  4. Step 4: Simplify right side
    275,587.02x = 63,982,588,012.22
  5. Step 5: Solve for x
    x = 63,982,588,012.22/275,587.02
  6. Step 6: Final answer
    x = 232,168.37

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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.