Home / 207,760.33-286,645.35-127,103.77

Finding the Fourth Proportional to 207,760.33, 286,645.35 and 127,103.77

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Solution

The fourth proportional to 207,760.33, 286,645.35 and 127,103.77 is: 175,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,760.33 : 286,645.35 = 127,103.77 : x
  2. Step 2: Convert to fraction form
    207,760.33/286,645.35 = 127,103.77/x
  3. Step 3: Cross multiply
    207,760.33x = 286,645.35 × 127,103.77
  4. Step 4: Simplify right side
    207,760.33x = 36,433,704,637.97
  5. Step 5: Solve for x
    x = 36,433,704,637.97/207,760.33
  6. Step 6: Final answer
    x = 175,364.11

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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.