Home / 209,439.41-289,025.07-113,946.53

Finding the Fourth Proportional to 209,439.41, 289,025.07 and 113,946.53

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Solution

The fourth proportional to 209,439.41, 289,025.07 and 113,946.53 is: 157,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,439.41 : 289,025.07 = 113,946.53 : x
  2. Step 2: Convert to fraction form
    209,439.41/289,025.07 = 113,946.53/x
  3. Step 3: Cross multiply
    209,439.41x = 289,025.07 × 113,946.53
  4. Step 4: Simplify right side
    209,439.41x = 32,933,403,809.51
  5. Step 5: Solve for x
    x = 32,933,403,809.51/209,439.41
  6. Step 6: Final answer
    x = 157,245.50

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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.