Home / 163,747.22-245,621.16-45,418.88

Finding the Fourth Proportional to 163,747.22, 245,621.16 and 45,418.88

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Solution

The fourth proportional to 163,747.22, 245,621.16 and 45,418.88 is: 68,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,747.22 : 245,621.16 = 45,418.88 : x
  2. Step 2: Convert to fraction form
    163,747.22/245,621.16 = 45,418.88/x
  3. Step 3: Cross multiply
    163,747.22x = 245,621.16 × 45,418.88
  4. Step 4: Simplify right side
    163,747.22x = 11,155,837,223.93
  5. Step 5: Solve for x
    x = 11,155,837,223.93/163,747.22
  6. Step 6: Final answer
    x = 68,128.41

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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.