Home / 162,265.48-223,910.26-90,643.96

Finding the Fourth Proportional to 162,265.48, 223,910.26 and 90,643.96

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Solution

The fourth proportional to 162,265.48, 223,910.26 and 90,643.96 is: 125,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,265.48 : 223,910.26 = 90,643.96 : x
  2. Step 2: Convert to fraction form
    162,265.48/223,910.26 = 90,643.96/x
  3. Step 3: Cross multiply
    162,265.48x = 223,910.26 × 90,643.96
  4. Step 4: Simplify right side
    162,265.48x = 20,296,112,651.03
  5. Step 5: Solve for x
    x = 20,296,112,651.03/162,265.48
  6. Step 6: Final answer
    x = 125,079.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.