Home / 175,313.20-263,142.60-86,666.80

Finding the Fourth Proportional to 175,313.20, 263,142.60 and 86,666.80

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Solution

The fourth proportional to 175,313.20, 263,142.60 and 86,666.80 is: 130,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,313.20 : 263,142.60 = 86,666.80 : x
  2. Step 2: Convert to fraction form
    175,313.20/263,142.60 = 86,666.80/x
  3. Step 3: Cross multiply
    175,313.20x = 263,142.60 × 86,666.80
  4. Step 4: Simplify right side
    175,313.20x = 22,805,727,085.68
  5. Step 5: Solve for x
    x = 22,805,727,085.68/175,313.20
  6. Step 6: Final answer
    x = 130,085.62

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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.