Home / 162,149.04-223,744.68-105,636.96

Finding the Fourth Proportional to 162,149.04, 223,744.68 and 105,636.96

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Solution

The fourth proportional to 162,149.04, 223,744.68 and 105,636.96 is: 145,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,149.04 : 223,744.68 = 105,636.96 : x
  2. Step 2: Convert to fraction form
    162,149.04/223,744.68 = 105,636.96/x
  3. Step 3: Cross multiply
    162,149.04x = 223,744.68 × 105,636.96
  4. Step 4: Simplify right side
    162,149.04x = 23,635,707,811.37
  5. Step 5: Solve for x
    x = 23,635,707,811.37/162,149.04
  6. Step 6: Final answer
    x = 145,765.33

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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.