Home / 218,341.10-301,149.39-150,379.58

Finding the Fourth Proportional to 218,341.10, 301,149.39 and 150,379.58

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Solution

The fourth proportional to 218,341.10, 301,149.39 and 150,379.58 is: 207,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,341.10 : 301,149.39 = 150,379.58 : x
  2. Step 2: Convert to fraction form
    218,341.10/301,149.39 = 150,379.58/x
  3. Step 3: Cross multiply
    218,341.10x = 301,149.39 × 150,379.58
  4. Step 4: Simplify right side
    218,341.10x = 45,286,718,785.46
  5. Step 5: Solve for x
    x = 45,286,718,785.46/218,341.10
  6. Step 6: Final answer
    x = 207,412.71

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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.