Home / 126,973.58-190,499.85-52,099.81

Finding the Fourth Proportional to 126,973.58, 190,499.85 and 52,099.81

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Solution

The fourth proportional to 126,973.58, 190,499.85 and 52,099.81 is: 78,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,973.58 : 190,499.85 = 52,099.81 : x
  2. Step 2: Convert to fraction form
    126,973.58/190,499.85 = 52,099.81/x
  3. Step 3: Cross multiply
    126,973.58x = 190,499.85 × 52,099.81
  4. Step 4: Simplify right side
    126,973.58x = 9,925,005,513.78
  5. Step 5: Solve for x
    x = 9,925,005,513.78/126,973.58
  6. Step 6: Final answer
    x = 78,165.91

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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.