Home / 456,671.07-684,836.69-157,067.55

Finding the Fourth Proportional to 456,671.07, 684,836.69 and 157,067.55

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Solution

The fourth proportional to 456,671.07, 684,836.69 and 157,067.55 is: 235,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,671.07 : 684,836.69 = 157,067.55 : x
  2. Step 2: Convert to fraction form
    456,671.07/684,836.69 = 157,067.55/x
  3. Step 3: Cross multiply
    456,671.07x = 684,836.69 × 157,067.55
  4. Step 4: Simplify right side
    456,671.07x = 107,565,620,263.07
  5. Step 5: Solve for x
    x = 107,565,620,263.07/456,671.07
  6. Step 6: Final answer
    x = 235,542.88

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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.