Home / 228,984.41-316,036.32-127,042.70

Finding the Fourth Proportional to 228,984.41, 316,036.32 and 127,042.70

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Solution

The fourth proportional to 228,984.41, 316,036.32 and 127,042.70 is: 175,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,984.41 : 316,036.32 = 127,042.70 : x
  2. Step 2: Convert to fraction form
    228,984.41/316,036.32 = 127,042.70/x
  3. Step 3: Cross multiply
    228,984.41x = 316,036.32 × 127,042.70
  4. Step 4: Simplify right side
    228,984.41x = 40,150,107,472.23
  5. Step 5: Solve for x
    x = 40,150,107,472.23/228,984.41
  6. Step 6: Final answer
    x = 175,339.92

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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.