Home / 211,981.40-292,470.54-127,067.48

Finding the Fourth Proportional to 211,981.40, 292,470.54 and 127,067.48

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Solution

The fourth proportional to 211,981.40, 292,470.54 and 127,067.48 is: 175,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,981.40 : 292,470.54 = 127,067.48 : x
  2. Step 2: Convert to fraction form
    211,981.40/292,470.54 = 127,067.48/x
  3. Step 3: Cross multiply
    211,981.40x = 292,470.54 × 127,067.48
  4. Step 4: Simplify right side
    211,981.40x = 37,163,494,492.04
  5. Step 5: Solve for x
    x = 37,163,494,492.04/211,981.40
  6. Step 6: Final answer
    x = 175,314.88

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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.