Home / 126,731.09-174,927.87-73,051.98

Finding the Fourth Proportional to 126,731.09, 174,927.87 and 73,051.98

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Solution

The fourth proportional to 126,731.09, 174,927.87 and 73,051.98 is: 100,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.09 : 174,927.87 = 73,051.98 : x
  2. Step 2: Convert to fraction form
    126,731.09/174,927.87 = 73,051.98/x
  3. Step 3: Cross multiply
    126,731.09x = 174,927.87 × 73,051.98
  4. Step 4: Simplify right side
    126,731.09x = 12,778,827,260.68
  5. Step 5: Solve for x
    x = 12,778,827,260.68/126,731.09
  6. Step 6: Final answer
    x = 100,834.20

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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.