Home / 175,326.80-262,817.40-86,507.60

Finding the Fourth Proportional to 175,326.80, 262,817.40 and 86,507.60

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Solution

The fourth proportional to 175,326.80, 262,817.40 and 86,507.60 is: 129,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,326.80 : 262,817.40 = 86,507.60 : x
  2. Step 2: Convert to fraction form
    175,326.80/262,817.40 = 86,507.60/x
  3. Step 3: Cross multiply
    175,326.80x = 262,817.40 × 86,507.60
  4. Step 4: Simplify right side
    175,326.80x = 22,735,702,512.24
  5. Step 5: Solve for x
    x = 22,735,702,512.24/175,326.80
  6. Step 6: Final answer
    x = 129,676.14

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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.