Home / 176,620.38-243,742.55-101,183.46

Finding the Fourth Proportional to 176,620.38, 243,742.55 and 101,183.46

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Solution

The fourth proportional to 176,620.38, 243,742.55 and 101,183.46 is: 139,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,620.38 : 243,742.55 = 101,183.46 : x
  2. Step 2: Convert to fraction form
    176,620.38/243,742.55 = 101,183.46/x
  3. Step 3: Cross multiply
    176,620.38x = 243,742.55 × 101,183.46
  4. Step 4: Simplify right side
    176,620.38x = 24,662,714,811.18
  5. Step 5: Solve for x
    x = 24,662,714,811.18/176,620.38
  6. Step 6: Final answer
    x = 139,636.86

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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.