Home / 358,487.44-537,731.16-109,171.60

Finding the Fourth Proportional to 358,487.44, 537,731.16 and 109,171.60

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Solution

The fourth proportional to 358,487.44, 537,731.16 and 109,171.60 is: 163,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,487.44 : 537,731.16 = 109,171.60 : x
  2. Step 2: Convert to fraction form
    358,487.44/537,731.16 = 109,171.60/x
  3. Step 3: Cross multiply
    358,487.44x = 537,731.16 × 109,171.60
  4. Step 4: Simplify right side
    358,487.44x = 58,704,971,107.06
  5. Step 5: Solve for x
    x = 58,704,971,107.06/358,487.44
  6. Step 6: Final answer
    x = 163,757.40

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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.