Home / 175,311.70-263,140.35-86,665.30

Finding the Fourth Proportional to 175,311.70, 263,140.35 and 86,665.30

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Solution

The fourth proportional to 175,311.70, 263,140.35 and 86,665.30 is: 130,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,311.70 : 263,140.35 = 86,665.30 : x
  2. Step 2: Convert to fraction form
    175,311.70/263,140.35 = 86,665.30/x
  3. Step 3: Cross multiply
    175,311.70x = 263,140.35 × 86,665.30
  4. Step 4: Simplify right side
    175,311.70x = 22,805,137,374.86
  5. Step 5: Solve for x
    x = 22,805,137,374.86/175,311.70
  6. Step 6: Final answer
    x = 130,083.37

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1.5x scale

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.