Home / 163,621.24-245,404.52-45,304.54

Finding the Fourth Proportional to 163,621.24, 245,404.52 and 45,304.54

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Solution

The fourth proportional to 163,621.24, 245,404.52 and 45,304.54 is: 67,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,621.24 : 245,404.52 = 45,304.54 : x
  2. Step 2: Convert to fraction form
    163,621.24/245,404.52 = 45,304.54/x
  3. Step 3: Cross multiply
    163,621.24x = 245,404.52 × 45,304.54
  4. Step 4: Simplify right side
    163,621.24x = 11,117,938,892.52
  5. Step 5: Solve for x
    x = 11,117,938,892.52/163,621.24
  6. Step 6: Final answer
    x = 67,949.24

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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.