Home / 209,577.42-314,468.19-104,411.88

Finding the Fourth Proportional to 209,577.42, 314,468.19 and 104,411.88

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Solution

The fourth proportional to 209,577.42, 314,468.19 and 104,411.88 is: 156,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,577.42 : 314,468.19 = 104,411.88 : x
  2. Step 2: Convert to fraction form
    209,577.42/314,468.19 = 104,411.88/x
  3. Step 3: Cross multiply
    209,577.42x = 314,468.19 × 104,411.88
  4. Step 4: Simplify right side
    209,577.42x = 32,834,214,918.10
  5. Step 5: Solve for x
    x = 32,834,214,918.10/209,577.42
  6. Step 6: Final answer
    x = 156,668.67

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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.