Home / 126,803.18-174,986.70-69,441.86

Finding the Fourth Proportional to 126,803.18, 174,986.70 and 69,441.86

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Solution

The fourth proportional to 126,803.18, 174,986.70 and 69,441.86 is: 95,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,803.18 : 174,986.70 = 69,441.86 : x
  2. Step 2: Convert to fraction form
    126,803.18/174,986.70 = 69,441.86/x
  3. Step 3: Cross multiply
    126,803.18x = 174,986.70 × 69,441.86
  4. Step 4: Simplify right side
    126,803.18x = 12,151,401,923.26
  5. Step 5: Solve for x
    x = 12,151,401,923.26/126,803.18
  6. Step 6: Final answer
    x = 95,828.84

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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.