Home / 209,478.96-289,076.24-113,985.92

Finding the Fourth Proportional to 209,478.96, 289,076.24 and 113,985.92

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Solution

The fourth proportional to 209,478.96, 289,076.24 and 113,985.92 is: 157,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,478.96 : 289,076.24 = 113,985.92 : x
  2. Step 2: Convert to fraction form
    209,478.96/289,076.24 = 113,985.92/x
  3. Step 3: Cross multiply
    209,478.96x = 289,076.24 × 113,985.92
  4. Step 4: Simplify right side
    209,478.96x = 32,950,621,166.54
  5. Step 5: Solve for x
    x = 32,950,621,166.54/209,478.96
  6. Step 6: Final answer
    x = 157,298.00

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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.