Home / 162,192.70-223,826.26-90,572.50

Finding the Fourth Proportional to 162,192.70, 223,826.26 and 90,572.50

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Solution

The fourth proportional to 162,192.70, 223,826.26 and 90,572.50 is: 124,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,192.70 : 223,826.26 = 90,572.50 : x
  2. Step 2: Convert to fraction form
    162,192.70/223,826.26 = 90,572.50/x
  3. Step 3: Cross multiply
    162,192.70x = 223,826.26 × 90,572.50
  4. Step 4: Simplify right side
    162,192.70x = 20,272,503,933.85
  5. Step 5: Solve for x
    x = 20,272,503,933.85/162,192.70
  6. Step 6: Final answer
    x = 124,990.24

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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.