Home / 209,433.18-289,009.34-113,940.24

Finding the Fourth Proportional to 209,433.18, 289,009.34 and 113,940.24

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Solution

The fourth proportional to 209,433.18, 289,009.34 and 113,940.24 is: 157,232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,433.18 : 289,009.34 = 113,940.24 : x
  2. Step 2: Convert to fraction form
    209,433.18/289,009.34 = 113,940.24/x
  3. Step 3: Cross multiply
    209,433.18x = 289,009.34 × 113,940.24
  4. Step 4: Simplify right side
    209,433.18x = 32,929,793,561.84
  5. Step 5: Solve for x
    x = 32,929,793,561.84/209,433.18
  6. Step 6: Final answer
    x = 157,232.93

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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.