Home / 174,934.80-262,402.20-86,361.30

Finding the Fourth Proportional to 174,934.80, 262,402.20 and 86,361.30

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Solution

The fourth proportional to 174,934.80, 262,402.20 and 86,361.30 is: 129,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,934.80 : 262,402.20 = 86,361.30 : x
  2. Step 2: Convert to fraction form
    174,934.80/262,402.20 = 86,361.30/x
  3. Step 3: Cross multiply
    174,934.80x = 262,402.20 × 86,361.30
  4. Step 4: Simplify right side
    174,934.80x = 22,661,395,114.86
  5. Step 5: Solve for x
    x = 22,661,395,114.86/174,934.80
  6. Step 6: Final answer
    x = 129,541.95

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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.