Home / 307,458.74-461,277.41-127,511.16

Finding the Fourth Proportional to 307,458.74, 461,277.41 and 127,511.16

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Solution

The fourth proportional to 307,458.74, 461,277.41 and 127,511.16 is: 191,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,458.74 : 461,277.41 = 127,511.16 : x
  2. Step 2: Convert to fraction form
    307,458.74/461,277.41 = 127,511.16/x
  3. Step 3: Cross multiply
    307,458.74x = 461,277.41 × 127,511.16
  4. Step 4: Simplify right side
    307,458.74x = 58,818,016,993.34
  5. Step 5: Solve for x
    x = 58,818,016,993.34/307,458.74
  6. Step 6: Final answer
    x = 191,303.78

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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.