Home / 126,204.48-174,113.28-72,480.96

Finding the Fourth Proportional to 126,204.48, 174,113.28 and 72,480.96

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Solution

The fourth proportional to 126,204.48, 174,113.28 and 72,480.96 is: 99,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,204.48 : 174,113.28 = 72,480.96 : x
  2. Step 2: Convert to fraction form
    126,204.48/174,113.28 = 72,480.96/x
  3. Step 3: Cross multiply
    126,204.48x = 174,113.28 × 72,480.96
  4. Step 4: Simplify right side
    126,204.48x = 12,619,897,683.15
  5. Step 5: Solve for x
    x = 12,619,897,683.15/126,204.48
  6. Step 6: Final answer
    x = 99,995.64

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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.