Home / 209,647.28-289,309.50-114,152.24

Finding the Fourth Proportional to 209,647.28, 289,309.50 and 114,152.24

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Solution

The fourth proportional to 209,647.28, 289,309.50 and 114,152.24 is: 157,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,647.28 : 289,309.50 = 114,152.24 : x
  2. Step 2: Convert to fraction form
    209,647.28/289,309.50 = 114,152.24/x
  3. Step 3: Cross multiply
    209,647.28x = 289,309.50 × 114,152.24
  4. Step 4: Simplify right side
    209,647.28x = 33,025,327,478.28
  5. Step 5: Solve for x
    x = 33,025,327,478.28/209,647.28
  6. Step 6: Final answer
    x = 157,528.05

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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.