Home / 209,887.86-289,652.01-119,242.17

Finding the Fourth Proportional to 209,887.86, 289,652.01 and 119,242.17

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Solution

The fourth proportional to 209,887.86, 289,652.01 and 119,242.17 is: 164,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,887.86 : 289,652.01 = 119,242.17 : x
  2. Step 2: Convert to fraction form
    209,887.86/289,652.01 = 119,242.17/x
  3. Step 3: Cross multiply
    209,887.86x = 289,652.01 × 119,242.17
  4. Step 4: Simplify right side
    209,887.86x = 34,538,734,217.26
  5. Step 5: Solve for x
    x = 34,538,734,217.26/209,887.86
  6. Step 6: Final answer
    x = 164,558.04

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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.