Home / 209,636.28-289,294.32-114,141.24

Finding the Fourth Proportional to 209,636.28, 289,294.32 and 114,141.24

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Solution

The fourth proportional to 209,636.28, 289,294.32 and 114,141.24 is: 157,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,636.28 : 289,294.32 = 114,141.24 : x
  2. Step 2: Convert to fraction form
    209,636.28/289,294.32 = 114,141.24/x
  3. Step 3: Cross multiply
    209,636.28x = 289,294.32 × 114,141.24
  4. Step 4: Simplify right side
    209,636.28x = 33,020,412,409.76
  5. Step 5: Solve for x
    x = 33,020,412,409.76/209,636.28
  6. Step 6: Final answer
    x = 157,512.87

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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.