Home / 207,760.41-286,645.64-127,103.85

Finding the Fourth Proportional to 207,760.41, 286,645.64 and 127,103.85

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Solution

The fourth proportional to 207,760.41, 286,645.64 and 127,103.85 is: 175,364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,760.41 : 286,645.64 = 127,103.85 : x
  2. Step 2: Convert to fraction form
    207,760.41/286,645.64 = 127,103.85/x
  3. Step 3: Cross multiply
    207,760.41x = 286,645.64 × 127,103.85
  4. Step 4: Simplify right side
    207,760.41x = 36,433,763,794.19
  5. Step 5: Solve for x
    x = 36,433,763,794.19/207,760.41
  6. Step 6: Final answer
    x = 175,364.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.