Home / 174,987.20-262,610.40-115,803.20

Finding the Fourth Proportional to 174,987.20, 262,610.40 and 115,803.20

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Solution

The fourth proportional to 174,987.20, 262,610.40 and 115,803.20 is: 173,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,987.20 : 262,610.40 = 115,803.20 : x
  2. Step 2: Convert to fraction form
    174,987.20/262,610.40 = 115,803.20/x
  3. Step 3: Cross multiply
    174,987.20x = 262,610.40 × 115,803.20
  4. Step 4: Simplify right side
    174,987.20x = 30,411,124,673.28
  5. Step 5: Solve for x
    x = 30,411,124,673.28/174,987.20
  6. Step 6: Final answer
    x = 173,790.57

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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.