Home / 163,620.96-245,404.10-45,304.26

Finding the Fourth Proportional to 163,620.96, 245,404.10 and 45,304.26

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Solution

The fourth proportional to 163,620.96, 245,404.10 and 45,304.26 is: 67,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,620.96 : 245,404.10 = 45,304.26 : x
  2. Step 2: Convert to fraction form
    163,620.96/245,404.10 = 45,304.26/x
  3. Step 3: Cross multiply
    163,620.96x = 245,404.10 × 45,304.26
  4. Step 4: Simplify right side
    163,620.96x = 11,117,851,151.47
  5. Step 5: Solve for x
    x = 11,117,851,151.47/163,620.96
  6. Step 6: Final answer
    x = 67,948.82

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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.