Home / 126,732.36-174,888.54-70,142.52

Finding the Fourth Proportional to 126,732.36, 174,888.54 and 70,142.52

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Solution

The fourth proportional to 126,732.36, 174,888.54 and 70,142.52 is: 96,795.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,732.36 : 174,888.54 = 70,142.52 : x
  2. Step 2: Convert to fraction form
    126,732.36/174,888.54 = 70,142.52/x
  3. Step 3: Cross multiply
    126,732.36x = 174,888.54 × 70,142.52
  4. Step 4: Simplify right side
    126,732.36x = 12,267,122,914.72
  5. Step 5: Solve for x
    x = 12,267,122,914.72/126,732.36
  6. Step 6: Final answer
    x = 96,795.51

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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.