Home / 126,742.36-174,902.34-70,152.52

Finding the Fourth Proportional to 126,742.36, 174,902.34 and 70,152.52

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Solution

The fourth proportional to 126,742.36, 174,902.34 and 70,152.52 is: 96,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,742.36 : 174,902.34 = 70,152.52 : x
  2. Step 2: Convert to fraction form
    126,742.36/174,902.34 = 70,152.52/x
  3. Step 3: Cross multiply
    126,742.36x = 174,902.34 × 70,152.52
  4. Step 4: Simplify right side
    126,742.36x = 12,269,839,904.90
  5. Step 5: Solve for x
    x = 12,269,839,904.90/126,742.36
  6. Step 6: Final answer
    x = 96,809.31

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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.