Home / 95,519.70-143,279.55-86,334.30

Finding the Fourth Proportional to 95,519.70, 143,279.55 and 86,334.30

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Solution

The fourth proportional to 95,519.70, 143,279.55 and 86,334.30 is: 129,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,519.70 : 143,279.55 = 86,334.30 : x
  2. Step 2: Convert to fraction form
    95,519.70/143,279.55 = 86,334.30/x
  3. Step 3: Cross multiply
    95,519.70x = 143,279.55 × 86,334.30
  4. Step 4: Simplify right side
    95,519.70x = 12,369,939,653.57
  5. Step 5: Solve for x
    x = 12,369,939,653.57/95,519.70
  6. Step 6: Final answer
    x = 129,501.45

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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.