Home / 162,782.28-244,232.15-86,800.91

Finding the Fourth Proportional to 162,782.28, 244,232.15 and 86,800.91

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Solution

The fourth proportional to 162,782.28, 244,232.15 and 86,800.91 is: 130,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,782.28 : 244,232.15 = 86,800.91 : x
  2. Step 2: Convert to fraction form
    162,782.28/244,232.15 = 86,800.91/x
  3. Step 3: Cross multiply
    162,782.28x = 244,232.15 × 86,800.91
  4. Step 4: Simplify right side
    162,782.28x = 21,199,571,216.09
  5. Step 5: Solve for x
    x = 21,199,571,216.09/162,782.28
  6. Step 6: Final answer
    x = 130,232.67

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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.