Home / 125,683.50-173,469.66-79,713.38

Finding the Fourth Proportional to 125,683.50, 173,469.66 and 79,713.38

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Solution

The fourth proportional to 125,683.50, 173,469.66 and 79,713.38 is: 110,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,683.50 : 173,469.66 = 79,713.38 : x
  2. Step 2: Convert to fraction form
    125,683.50/173,469.66 = 79,713.38/x
  3. Step 3: Cross multiply
    125,683.50x = 173,469.66 × 79,713.38
  4. Step 4: Simplify right side
    125,683.50x = 13,827,852,926.05
  5. Step 5: Solve for x
    x = 13,827,852,926.05/125,683.50
  6. Step 6: Final answer
    x = 110,021.23

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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.