Home / 190,317.87-262,648.04-105,435.27

Finding the Fourth Proportional to 190,317.87, 262,648.04 and 105,435.27

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Solution

The fourth proportional to 190,317.87, 262,648.04 and 105,435.27 is: 145,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,317.87 : 262,648.04 = 105,435.27 : x
  2. Step 2: Convert to fraction form
    190,317.87/262,648.04 = 105,435.27/x
  3. Step 3: Cross multiply
    190,317.87x = 262,648.04 × 105,435.27
  4. Step 4: Simplify right side
    190,317.87x = 27,692,366,485.19
  5. Step 5: Solve for x
    x = 27,692,366,485.19/190,317.87
  6. Step 6: Final answer
    x = 145,505.87

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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.