Home / 209,258.56-288,779.94-113,765.04

Finding the Fourth Proportional to 209,258.56, 288,779.94 and 113,765.04

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Solution

The fourth proportional to 209,258.56, 288,779.94 and 113,765.04 is: 156,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,258.56 : 288,779.94 = 113,765.04 : x
  2. Step 2: Convert to fraction form
    209,258.56/288,779.94 = 113,765.04/x
  3. Step 3: Cross multiply
    209,258.56x = 288,779.94 × 113,765.04
  4. Step 4: Simplify right side
    209,258.56x = 32,853,061,425.30
  5. Step 5: Solve for x
    x = 32,853,061,425.30/209,258.56
  6. Step 6: Final answer
    x = 156,997.46

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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.