Home / 174,994.80-262,319.40-86,175.60

Finding the Fourth Proportional to 174,994.80, 262,319.40 and 86,175.60

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Solution

The fourth proportional to 174,994.80, 262,319.40 and 86,175.60 is: 129,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,994.80 : 262,319.40 = 86,175.60 : x
  2. Step 2: Convert to fraction form
    174,994.80/262,319.40 = 86,175.60/x
  3. Step 3: Cross multiply
    174,994.80x = 262,319.40 × 86,175.60
  4. Step 4: Simplify right side
    174,994.80x = 22,605,531,686.64
  5. Step 5: Solve for x
    x = 22,605,531,686.64/174,994.80
  6. Step 6: Final answer
    x = 129,178.31

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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.