Home / 163,149.60-225,148.64-91,525.35

Finding the Fourth Proportional to 163,149.60, 225,148.64 and 91,525.35

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Solution

The fourth proportional to 163,149.60, 225,148.64 and 91,525.35 is: 126,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,149.60 : 225,148.64 = 91,525.35 : x
  2. Step 2: Convert to fraction form
    163,149.60/225,148.64 = 91,525.35/x
  3. Step 3: Cross multiply
    163,149.60x = 225,148.64 × 91,525.35
  4. Step 4: Simplify right side
    163,149.60x = 20,606,807,620.40
  5. Step 5: Solve for x
    x = 20,606,807,620.40/163,149.60
  6. Step 6: Final answer
    x = 126,306.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.