Home / 209,026.83-288,458.54-113,533.54

Finding the Fourth Proportional to 209,026.83, 288,458.54 and 113,533.54

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Solution

The fourth proportional to 209,026.83, 288,458.54 and 113,533.54 is: 156,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,026.83 : 288,458.54 = 113,533.54 : x
  2. Step 2: Convert to fraction form
    209,026.83/288,458.54 = 113,533.54/x
  3. Step 3: Cross multiply
    209,026.83x = 288,458.54 × 113,533.54
  4. Step 4: Simplify right side
    209,026.83x = 32,749,719,189.43
  5. Step 5: Solve for x
    x = 32,749,719,189.43/209,026.83
  6. Step 6: Final answer
    x = 156,677.11

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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.