Home / 175,564.70-263,519.85-86,918.30

Finding the Fourth Proportional to 175,564.70, 263,519.85 and 86,918.30

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Solution

The fourth proportional to 175,564.70, 263,519.85 and 86,918.30 is: 130,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,564.70 : 263,519.85 = 86,918.30 : x
  2. Step 2: Convert to fraction form
    175,564.70/263,519.85 = 86,918.30/x
  3. Step 3: Cross multiply
    175,564.70x = 263,519.85 × 86,918.30
  4. Step 4: Simplify right side
    175,564.70x = 22,904,697,378.26
  5. Step 5: Solve for x
    x = 22,904,697,378.26/175,564.70
  6. Step 6: Final answer
    x = 130,463.00

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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.