Home / 162,498.45-243,778.20-73,758.19

Finding the Fourth Proportional to 162,498.45, 243,778.20 and 73,758.19

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Solution

The fourth proportional to 162,498.45, 243,778.20 and 73,758.19 is: 110,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,498.45 : 243,778.20 = 73,758.19 : x
  2. Step 2: Convert to fraction form
    162,498.45/243,778.20 = 73,758.19/x
  3. Step 3: Cross multiply
    162,498.45x = 243,778.20 × 73,758.19
  4. Step 4: Simplify right side
    162,498.45x = 17,980,639,587.30
  5. Step 5: Solve for x
    x = 17,980,639,587.30/162,498.45
  6. Step 6: Final answer
    x = 110,651.15

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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.