Home / 209,015.01-288,441.54-113,523.30

Finding the Fourth Proportional to 209,015.01, 288,441.54 and 113,523.30

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Solution

The fourth proportional to 209,015.01, 288,441.54 and 113,523.30 is: 156,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,015.01 : 288,441.54 = 113,523.30 : x
  2. Step 2: Convert to fraction form
    209,015.01/288,441.54 = 113,523.30/x
  3. Step 3: Cross multiply
    209,015.01x = 288,441.54 × 113,523.30
  4. Step 4: Simplify right side
    209,015.01x = 32,744,835,477.88
  5. Step 5: Solve for x
    x = 32,744,835,477.88/209,015.01
  6. Step 6: Final answer
    x = 156,662.60

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1.5x scale

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.