Home / 175,066.80-262,427.40-86,247.60

Finding the Fourth Proportional to 175,066.80, 262,427.40 and 86,247.60

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Solution

The fourth proportional to 175,066.80, 262,427.40 and 86,247.60 is: 129,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,066.80 : 262,427.40 = 86,247.60 : x
  2. Step 2: Convert to fraction form
    175,066.80/262,427.40 = 86,247.60/x
  3. Step 3: Cross multiply
    175,066.80x = 262,427.40 × 86,247.60
  4. Step 4: Simplify right side
    175,066.80x = 22,633,733,424.24
  5. Step 5: Solve for x
    x = 22,633,733,424.24/175,066.80
  6. Step 6: Final answer
    x = 129,286.27

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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.