Home / 209,028.06-288,460.23-113,534.76

Finding the Fourth Proportional to 209,028.06, 288,460.23 and 113,534.76

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Solution

The fourth proportional to 209,028.06, 288,460.23 and 113,534.76 is: 156,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,028.06 : 288,460.23 = 113,534.76 : x
  2. Step 2: Convert to fraction form
    209,028.06/288,460.23 = 113,534.76/x
  3. Step 3: Cross multiply
    209,028.06x = 288,460.23 × 113,534.76
  4. Step 4: Simplify right side
    209,028.06x = 32,750,262,982.59
  5. Step 5: Solve for x
    x = 32,750,262,982.59/209,028.06
  6. Step 6: Final answer
    x = 156,678.79

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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.