Home / 126,975.58-190,502.85-52,101.81

Finding the Fourth Proportional to 126,975.58, 190,502.85 and 52,101.81

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Solution

The fourth proportional to 126,975.58, 190,502.85 and 52,101.81 is: 78,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,975.58 : 190,502.85 = 52,101.81 : x
  2. Step 2: Convert to fraction form
    126,975.58/190,502.85 = 52,101.81/x
  3. Step 3: Cross multiply
    126,975.58x = 190,502.85 × 52,101.81
  4. Step 4: Simplify right side
    126,975.58x = 9,925,543,295.16
  5. Step 5: Solve for x
    x = 9,925,543,295.16/126,975.58
  6. Step 6: Final answer
    x = 78,168.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.