Home / 245,338.21-338,568.60-136,444.07

Finding the Fourth Proportional to 245,338.21, 338,568.60 and 136,444.07

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Solution

The fourth proportional to 245,338.21, 338,568.60 and 136,444.07 is: 188,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,338.21 : 338,568.60 = 136,444.07 : x
  2. Step 2: Convert to fraction form
    245,338.21/338,568.60 = 136,444.07/x
  3. Step 3: Cross multiply
    245,338.21x = 338,568.60 × 136,444.07
  4. Step 4: Simplify right side
    245,338.21x = 46,195,677,758.20
  5. Step 5: Solve for x
    x = 46,195,677,758.20/245,338.21
  6. Step 6: Final answer
    x = 188,293.86

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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.