Home / 190,788.99-263,289.78-119,210.49

Finding the Fourth Proportional to 190,788.99, 263,289.78 and 119,210.49

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Solution

The fourth proportional to 190,788.99, 263,289.78 and 119,210.49 is: 164,511.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,788.99 : 263,289.78 = 119,210.49 : x
  2. Step 2: Convert to fraction form
    190,788.99/263,289.78 = 119,210.49/x
  3. Step 3: Cross multiply
    190,788.99x = 263,289.78 × 119,210.49
  4. Step 4: Simplify right side
    190,788.99x = 31,386,903,685.79
  5. Step 5: Solve for x
    x = 31,386,903,685.79/190,788.99
  6. Step 6: Final answer
    x = 164,511.08

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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.