Home / 209,963.45-289,751.27-114,470.83

Finding the Fourth Proportional to 209,963.45, 289,751.27 and 114,470.83

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Solution

The fourth proportional to 209,963.45, 289,751.27 and 114,470.83 is: 157,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,963.45 : 289,751.27 = 114,470.83 : x
  2. Step 2: Convert to fraction form
    209,963.45/289,751.27 = 114,470.83/x
  3. Step 3: Cross multiply
    209,963.45x = 289,751.27 × 114,470.83
  4. Step 4: Simplify right side
    209,963.45x = 33,168,068,160.29
  5. Step 5: Solve for x
    x = 33,168,068,160.29/209,963.45
  6. Step 6: Final answer
    x = 157,970.67

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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.