Home / 190,854.20-263,354.01-105,954.86

Finding the Fourth Proportional to 190,854.20, 263,354.01 and 105,954.86

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Solution

The fourth proportional to 190,854.20, 263,354.01 and 105,954.86 is: 146,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,854.20 : 263,354.01 = 105,954.86 : x
  2. Step 2: Convert to fraction form
    190,854.20/263,354.01 = 105,954.86/x
  3. Step 3: Cross multiply
    190,854.20x = 263,354.01 × 105,954.86
  4. Step 4: Simplify right side
    190,854.20x = 27,903,637,259.99
  5. Step 5: Solve for x
    x = 27,903,637,259.99/190,854.20
  6. Step 6: Final answer
    x = 146,203.95

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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.