Home / 207,764.91-286,651.77-127,108.35

Finding the Fourth Proportional to 207,764.91, 286,651.77 and 127,108.35

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Solution

The fourth proportional to 207,764.91, 286,651.77 and 127,108.35 is: 175,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,764.91 : 286,651.77 = 127,108.35 : x
  2. Step 2: Convert to fraction form
    207,764.91/286,651.77 = 127,108.35/x
  3. Step 3: Cross multiply
    207,764.91x = 286,651.77 × 127,108.35
  4. Step 4: Simplify right side
    207,764.91x = 36,435,833,509.28
  5. Step 5: Solve for x
    x = 36,435,833,509.28/207,764.91
  6. Step 6: Final answer
    x = 175,370.49

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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.