Home / 209,440.04-289,025.93-113,947.16

Finding the Fourth Proportional to 209,440.04, 289,025.93 and 113,947.16

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Solution

The fourth proportional to 209,440.04, 289,025.93 and 113,947.16 is: 157,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,440.04 : 289,025.93 = 113,947.16 : x
  2. Step 2: Convert to fraction form
    209,440.04/289,025.93 = 113,947.16/x
  3. Step 3: Cross multiply
    209,440.04x = 289,025.93 × 113,947.16
  4. Step 4: Simplify right side
    209,440.04x = 32,933,682,729.60
  5. Step 5: Solve for x
    x = 32,933,682,729.60/209,440.04
  6. Step 6: Final answer
    x = 157,246.36

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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.