Home / 209,447.96-289,041.14-113,954.73

Finding the Fourth Proportional to 209,447.96, 289,041.14 and 113,954.73

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Solution

The fourth proportional to 209,447.96, 289,041.14 and 113,954.73 is: 157,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,447.96 : 289,041.14 = 113,954.73 : x
  2. Step 2: Convert to fraction form
    209,447.96/289,041.14 = 113,954.73/x
  3. Step 3: Cross multiply
    209,447.96x = 289,041.14 × 113,954.73
  4. Step 4: Simplify right side
    209,447.96x = 32,937,604,497.82
  5. Step 5: Solve for x
    x = 32,937,604,497.82/209,447.96
  6. Step 6: Final answer
    x = 157,259.14

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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.