Home / 481,058.08-721,656.24-148,660

Finding the Fourth Proportional to 481,058.08, 721,656.24 and 148,660

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Solution

The fourth proportional to 481,058.08, 721,656.24 and 148,660 is: 223,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,058.08 : 721,656.24 = 148,660 : x
  2. Step 2: Convert to fraction form
    481,058.08/721,656.24 = 148,660/x
  3. Step 3: Cross multiply
    481,058.08x = 721,656.24 × 148,660
  4. Step 4: Simplify right side
    481,058.08x = 107,281,416,638.40
  5. Step 5: Solve for x
    x = 107,281,416,638.40/481,058.08
  6. Step 6: Final answer
    x = 223,011.36

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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.