Home / 190,080.23-262,246.59-109,505.66

Finding the Fourth Proportional to 190,080.23, 262,246.59 and 109,505.66

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Solution

The fourth proportional to 190,080.23, 262,246.59 and 109,505.66 is: 151,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,080.23 : 262,246.59 = 109,505.66 : x
  2. Step 2: Convert to fraction form
    190,080.23/262,246.59 = 109,505.66/x
  3. Step 3: Cross multiply
    190,080.23x = 262,246.59 × 109,505.66
  4. Step 4: Simplify right side
    190,080.23x = 28,717,484,609.47
  5. Step 5: Solve for x
    x = 28,717,484,609.47/190,080.23
  6. Step 6: Final answer
    x = 151,080.86

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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.