Home / 190,005.55-262,184.61-109,459.15

Finding the Fourth Proportional to 190,005.55, 262,184.61 and 109,459.15

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Solution

The fourth proportional to 190,005.55, 262,184.61 and 109,459.15 is: 151,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,005.55 : 262,184.61 = 109,459.15 : x
  2. Step 2: Convert to fraction form
    190,005.55/262,184.61 = 109,459.15/x
  3. Step 3: Cross multiply
    190,005.55x = 262,184.61 × 109,459.15
  4. Step 4: Simplify right side
    190,005.55x = 28,698,504,553.68
  5. Step 5: Solve for x
    x = 28,698,504,553.68/190,005.55
  6. Step 6: Final answer
    x = 151,040.35

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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.