Home / 209,327.10-314,063.55-91,083.30

Finding the Fourth Proportional to 209,327.10, 314,063.55 and 91,083.30

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Solution

The fourth proportional to 209,327.10, 314,063.55 and 91,083.30 is: 136,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,327.10 : 314,063.55 = 91,083.30 : x
  2. Step 2: Convert to fraction form
    209,327.10/314,063.55 = 91,083.30/x
  3. Step 3: Cross multiply
    209,327.10x = 314,063.55 × 91,083.30
  4. Step 4: Simplify right side
    209,327.10x = 28,605,944,543.72
  5. Step 5: Solve for x
    x = 28,605,944,543.72/209,327.10
  6. Step 6: Final answer
    x = 136,656.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.