Home / 209,539.44-314,338.63-67,337.10

Finding the Fourth Proportional to 209,539.44, 314,338.63 and 67,337.10

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Solution

The fourth proportional to 209,539.44, 314,338.63 and 67,337.10 is: 101,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,539.44 : 314,338.63 = 67,337.10 : x
  2. Step 2: Convert to fraction form
    209,539.44/314,338.63 = 67,337.10/x
  3. Step 3: Cross multiply
    209,539.44x = 314,338.63 × 67,337.10
  4. Step 4: Simplify right side
    209,539.44x = 21,166,651,762.17
  5. Step 5: Solve for x
    x = 21,166,651,762.17/209,539.44
  6. Step 6: Final answer
    x = 101,015.12

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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.