Home / 190,079.98-262,246.24-109,505.40

Finding the Fourth Proportional to 190,079.98, 262,246.24 and 109,505.40

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Solution

The fourth proportional to 190,079.98, 262,246.24 and 109,505.40 is: 151,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,079.98 : 262,246.24 = 109,505.40 : x
  2. Step 2: Convert to fraction form
    190,079.98/262,246.24 = 109,505.40/x
  3. Step 3: Cross multiply
    190,079.98x = 262,246.24 × 109,505.40
  4. Step 4: Simplify right side
    190,079.98x = 28,717,379,409.70
  5. Step 5: Solve for x
    x = 28,717,379,409.70/190,079.98
  6. Step 6: Final answer
    x = 151,080.51

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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.