Home / 338,705.04-508,057.68-125,546.24

Finding the Fourth Proportional to 338,705.04, 508,057.68 and 125,546.24

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Solution

The fourth proportional to 338,705.04, 508,057.68 and 125,546.24 is: 188,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,705.04 : 508,057.68 = 125,546.24 : x
  2. Step 2: Convert to fraction form
    338,705.04/508,057.68 = 125,546.24/x
  3. Step 3: Cross multiply
    338,705.04x = 508,057.68 × 125,546.24
  4. Step 4: Simplify right side
    338,705.04x = 63,784,731,427.12
  5. Step 5: Solve for x
    x = 63,784,731,427.12/338,705.04
  6. Step 6: Final answer
    x = 188,319.40

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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.