Home / 209,829.65-289,555.85-119,185.34

Finding the Fourth Proportional to 209,829.65, 289,555.85 and 119,185.34

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Solution

The fourth proportional to 209,829.65, 289,555.85 and 119,185.34 is: 164,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,829.65 : 289,555.85 = 119,185.34 : x
  2. Step 2: Convert to fraction form
    209,829.65/289,555.85 = 119,185.34/x
  3. Step 3: Cross multiply
    209,829.65x = 289,555.85 × 119,185.34
  4. Step 4: Simplify right side
    209,829.65x = 34,510,813,453.09
  5. Step 5: Solve for x
    x = 34,510,813,453.09/209,829.65
  6. Step 6: Final answer
    x = 164,470.62

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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.