Home / 190,104.04-262,409.12-109,563.72

Finding the Fourth Proportional to 190,104.04, 262,409.12 and 109,563.72

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Solution

The fourth proportional to 190,104.04, 262,409.12 and 109,563.72 is: 151,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,104.04 : 262,409.12 = 109,563.72 : x
  2. Step 2: Convert to fraction form
    190,104.04/262,409.12 = 109,563.72/x
  3. Step 3: Cross multiply
    190,104.04x = 262,409.12 × 109,563.72
  4. Step 4: Simplify right side
    190,104.04x = 28,750,519,349.13
  5. Step 5: Solve for x
    x = 28,750,519,349.13/190,104.04
  6. Step 6: Final answer
    x = 151,235.71

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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.