Home / 163,615.24-245,395.52-45,298.54

Finding the Fourth Proportional to 163,615.24, 245,395.52 and 45,298.54

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Solution

The fourth proportional to 163,615.24, 245,395.52 and 45,298.54 is: 67,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,615.24 : 245,395.52 = 45,298.54 : x
  2. Step 2: Convert to fraction form
    163,615.24/245,395.52 = 45,298.54/x
  3. Step 3: Cross multiply
    163,615.24x = 245,395.52 × 45,298.54
  4. Step 4: Simplify right side
    163,615.24x = 11,116,058,778.54
  5. Step 5: Solve for x
    x = 11,116,058,778.54/163,615.24
  6. Step 6: Final answer
    x = 67,940.24

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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.