Home / 126,738.02-174,916.89-73,012.58

Finding the Fourth Proportional to 126,738.02, 174,916.89 and 73,012.58

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Solution

The fourth proportional to 126,738.02, 174,916.89 and 73,012.58 is: 100,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,738.02 : 174,916.89 = 73,012.58 : x
  2. Step 2: Convert to fraction form
    126,738.02/174,916.89 = 73,012.58/x
  3. Step 3: Cross multiply
    126,738.02x = 174,916.89 × 73,012.58
  4. Step 4: Simplify right side
    126,738.02x = 12,771,133,424.48
  5. Step 5: Solve for x
    x = 12,771,133,424.48/126,738.02
  6. Step 6: Final answer
    x = 100,767.97

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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.