Home / 175,688.12-263,201.52-86,837.60

Finding the Fourth Proportional to 175,688.12, 263,201.52 and 86,837.60

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Solution

The fourth proportional to 175,688.12, 263,201.52 and 86,837.60 is: 130,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,688.12 : 263,201.52 = 86,837.60 : x
  2. Step 2: Convert to fraction form
    175,688.12/263,201.52 = 86,837.60/x
  3. Step 3: Cross multiply
    175,688.12x = 263,201.52 × 86,837.60
  4. Step 4: Simplify right side
    175,688.12x = 22,855,788,313.15
  5. Step 5: Solve for x
    x = 22,855,788,313.15/175,688.12
  6. Step 6: Final answer
    x = 130,092.96

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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.