Home / 209,025.01-288,455.34-113,533.30

Finding the Fourth Proportional to 209,025.01, 288,455.34 and 113,533.30

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Solution

The fourth proportional to 209,025.01, 288,455.34 and 113,533.30 is: 156,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,025.01 : 288,455.34 = 113,533.30 : x
  2. Step 2: Convert to fraction form
    209,025.01/288,455.34 = 113,533.30/x
  3. Step 3: Cross multiply
    209,025.01x = 288,455.34 × 113,533.30
  4. Step 4: Simplify right side
    209,025.01x = 32,749,286,652.82
  5. Step 5: Solve for x
    x = 32,749,286,652.82/209,025.01
  6. Step 6: Final answer
    x = 156,676.40

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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.