Home / 209,517.52-289,128.63-114,022.17

Finding the Fourth Proportional to 209,517.52, 289,128.63 and 114,022.17

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Solution

The fourth proportional to 209,517.52, 289,128.63 and 114,022.17 is: 157,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,517.52 : 289,128.63 = 114,022.17 : x
  2. Step 2: Convert to fraction form
    209,517.52/289,128.63 = 114,022.17/x
  3. Step 3: Cross multiply
    209,517.52x = 289,128.63 × 114,022.17
  4. Step 4: Simplify right side
    209,517.52x = 32,967,072,356.08
  5. Step 5: Solve for x
    x = 32,967,072,356.08/209,517.52
  6. Step 6: Final answer
    x = 157,347.57

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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.