Home / 209,026.56-288,458.16-113,533.26

Finding the Fourth Proportional to 209,026.56, 288,458.16 and 113,533.26

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Solution

The fourth proportional to 209,026.56, 288,458.16 and 113,533.26 is: 156,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,026.56 : 288,458.16 = 113,533.26 : x
  2. Step 2: Convert to fraction form
    209,026.56/288,458.16 = 113,533.26/x
  3. Step 3: Cross multiply
    209,026.56x = 288,458.16 × 113,533.26
  4. Step 4: Simplify right side
    209,026.56x = 32,749,595,278.40
  5. Step 5: Solve for x
    x = 32,749,595,278.40/209,026.56
  6. Step 6: Final answer
    x = 156,676.72

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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.