Home / 209,027.06-288,458.85-113,533.76

Finding the Fourth Proportional to 209,027.06, 288,458.85 and 113,533.76

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Solution

The fourth proportional to 209,027.06, 288,458.85 and 113,533.76 is: 156,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,027.06 : 288,458.85 = 113,533.76 : x
  2. Step 2: Convert to fraction form
    209,027.06/288,458.85 = 113,533.76/x
  3. Step 3: Cross multiply
    209,027.06x = 288,458.85 × 113,533.76
  4. Step 4: Simplify right side
    209,027.06x = 32,749,817,845.78
  5. Step 5: Solve for x
    x = 32,749,817,845.78/209,027.06
  6. Step 6: Final answer
    x = 156,677.41

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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.