Home / 304,785.45-457,208.28-105,079.59

Finding the Fourth Proportional to 304,785.45, 457,208.28 and 105,079.59

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Solution

The fourth proportional to 304,785.45, 457,208.28 and 105,079.59 is: 157,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,785.45 : 457,208.28 = 105,079.59 : x
  2. Step 2: Convert to fraction form
    304,785.45/457,208.28 = 105,079.59/x
  3. Step 3: Cross multiply
    304,785.45x = 457,208.28 × 105,079.59
  4. Step 4: Simplify right side
    304,785.45x = 48,043,258,607.01
  5. Step 5: Solve for x
    x = 48,043,258,607.01/304,785.45
  6. Step 6: Final answer
    x = 157,629.76

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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.