Home / 209,069.30-288,540.02-124,186.37

Finding the Fourth Proportional to 209,069.30, 288,540.02 and 124,186.37

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Solution

The fourth proportional to 209,069.30, 288,540.02 and 124,186.37 is: 171,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,069.30 : 288,540.02 = 124,186.37 : x
  2. Step 2: Convert to fraction form
    209,069.30/288,540.02 = 124,186.37/x
  3. Step 3: Cross multiply
    209,069.30x = 288,540.02 × 124,186.37
  4. Step 4: Simplify right side
    209,069.30x = 35,832,736,551.29
  5. Step 5: Solve for x
    x = 35,832,736,551.29/209,069.30
  6. Step 6: Final answer
    x = 171,391.67

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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.