Home / 307,631.10-461,446.65-108,176.70

Finding the Fourth Proportional to 307,631.10, 461,446.65 and 108,176.70

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Solution

The fourth proportional to 307,631.10, 461,446.65 and 108,176.70 is: 162,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,631.10 : 461,446.65 = 108,176.70 : x
  2. Step 2: Convert to fraction form
    307,631.10/461,446.65 = 108,176.70/x
  3. Step 3: Cross multiply
    307,631.10x = 461,446.65 × 108,176.70
  4. Step 4: Simplify right side
    307,631.10x = 49,917,775,823.06
  5. Step 5: Solve for x
    x = 49,917,775,823.06/307,631.10
  6. Step 6: Final answer
    x = 162,265.05

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1.5x scale

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.