Home / 301,007.10-451,510.65-123,455.10

Finding the Fourth Proportional to 301,007.10, 451,510.65 and 123,455.10

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Solution

The fourth proportional to 301,007.10, 451,510.65 and 123,455.10 is: 185,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,007.10 : 451,510.65 = 123,455.10 : x
  2. Step 2: Convert to fraction form
    301,007.10/451,510.65 = 123,455.10/x
  3. Step 3: Cross multiply
    301,007.10x = 451,510.65 × 123,455.10
  4. Step 4: Simplify right side
    301,007.10x = 55,741,292,446.82
  5. Step 5: Solve for x
    x = 55,741,292,446.82/301,007.10
  6. Step 6: Final answer
    x = 185,182.65

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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.