Home / 152,103.09-209,930.34-97,723.24

Finding the Fourth Proportional to 152,103.09, 209,930.34 and 97,723.24

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Solution

The fourth proportional to 152,103.09, 209,930.34 and 97,723.24 is: 134,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,103.09 : 209,930.34 = 97,723.24 : x
  2. Step 2: Convert to fraction form
    152,103.09/209,930.34 = 97,723.24/x
  3. Step 3: Cross multiply
    152,103.09x = 209,930.34 × 97,723.24
  4. Step 4: Simplify right side
    152,103.09x = 20,515,071,949.45
  5. Step 5: Solve for x
    x = 20,515,071,949.45/152,103.09
  6. Step 6: Final answer
    x = 134,876.10

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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.