Home / 209,043.86-288,486.77-113,557.01

Finding the Fourth Proportional to 209,043.86, 288,486.77 and 113,557.01

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Solution

The fourth proportional to 209,043.86, 288,486.77 and 113,557.01 is: 156,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,043.86 : 288,486.77 = 113,557.01 : x
  2. Step 2: Convert to fraction form
    209,043.86/288,486.77 = 113,557.01/x
  3. Step 3: Cross multiply
    209,043.86x = 288,486.77 × 113,557.01
  4. Step 4: Simplify right side
    209,043.86x = 32,759,693,015.54
  5. Step 5: Solve for x
    x = 32,759,693,015.54/209,043.86
  6. Step 6: Final answer
    x = 156,712.06

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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.