Home / 126,652.75-174,704.65-83,632.64

Finding the Fourth Proportional to 126,652.75, 174,704.65 and 83,632.64

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Solution

The fourth proportional to 126,652.75, 174,704.65 and 83,632.64 is: 115,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,652.75 : 174,704.65 = 83,632.64 : x
  2. Step 2: Convert to fraction form
    126,652.75/174,704.65 = 83,632.64/x
  3. Step 3: Cross multiply
    126,652.75x = 174,704.65 × 83,632.64
  4. Step 4: Simplify right side
    126,652.75x = 14,611,010,017.17
  5. Step 5: Solve for x
    x = 14,611,010,017.17/126,652.75
  6. Step 6: Final answer
    x = 115,362.76

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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.