Home / 209,834.88-289,572-114,341.46

Finding the Fourth Proportional to 209,834.88, 289,572 and 114,341.46

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Solution

The fourth proportional to 209,834.88, 289,572 and 114,341.46 is: 157,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,834.88 : 289,572 = 114,341.46 : x
  2. Step 2: Convert to fraction form
    209,834.88/289,572 = 114,341.46/x
  3. Step 3: Cross multiply
    209,834.88x = 289,572 × 114,341.46
  4. Step 4: Simplify right side
    209,834.88x = 33,110,085,255.12
  5. Step 5: Solve for x
    x = 33,110,085,255.12/209,834.88
  6. Step 6: Final answer
    x = 157,791.14

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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.