Home / 340,037.04-509,836.86-162,540.12

Finding the Fourth Proportional to 340,037.04, 509,836.86 and 162,540.12

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Solution

The fourth proportional to 340,037.04, 509,836.86 and 162,540.12 is: 243,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,037.04 : 509,836.86 = 162,540.12 : x
  2. Step 2: Convert to fraction form
    340,037.04/509,836.86 = 162,540.12/x
  3. Step 3: Cross multiply
    340,037.04x = 509,836.86 × 162,540.12
  4. Step 4: Simplify right side
    340,037.04x = 82,868,944,404.82
  5. Step 5: Solve for x
    x = 82,868,944,404.82/340,037.04
  6. Step 6: Final answer
    x = 243,705.64

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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.