Home / 209,599.13-289,319.70-124,714.37

Finding the Fourth Proportional to 209,599.13, 289,319.70 and 124,714.37

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Solution

The fourth proportional to 209,599.13, 289,319.70 and 124,714.37 is: 172,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,599.13 : 289,319.70 = 124,714.37 : x
  2. Step 2: Convert to fraction form
    209,599.13/289,319.70 = 124,714.37/x
  3. Step 3: Cross multiply
    209,599.13x = 289,319.70 × 124,714.37
  4. Step 4: Simplify right side
    209,599.13x = 36,082,322,667.49
  5. Step 5: Solve for x
    x = 36,082,322,667.49/209,599.13
  6. Step 6: Final answer
    x = 172,149.20

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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.