Home / 174,895.30-262,040.55-81,208.90

Finding the Fourth Proportional to 174,895.30, 262,040.55 and 81,208.90

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Solution

The fourth proportional to 174,895.30, 262,040.55 and 81,208.90 is: 121,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,895.30 : 262,040.55 = 81,208.90 : x
  2. Step 2: Convert to fraction form
    174,895.30/262,040.55 = 81,208.90/x
  3. Step 3: Cross multiply
    174,895.30x = 262,040.55 × 81,208.90
  4. Step 4: Simplify right side
    174,895.30x = 21,280,024,820.90
  5. Step 5: Solve for x
    x = 21,280,024,820.90/174,895.30
  6. Step 6: Final answer
    x = 121,672.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.