Home / 163,349.22-225,421.94-91,729.29

Finding the Fourth Proportional to 163,349.22, 225,421.94 and 91,729.29

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Solution

The fourth proportional to 163,349.22, 225,421.94 and 91,729.29 is: 126,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,349.22 : 225,421.94 = 91,729.29 : x
  2. Step 2: Convert to fraction form
    163,349.22/225,421.94 = 91,729.29/x
  3. Step 3: Cross multiply
    163,349.22x = 225,421.94 × 91,729.29
  4. Step 4: Simplify right side
    163,349.22x = 20,677,792,920.87
  5. Step 5: Solve for x
    x = 20,677,792,920.87/163,349.22
  6. Step 6: Final answer
    x = 126,586.42

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1.5x scale

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.