Home / 213,726.86-294,951.75-118,231.91

Finding the Fourth Proportional to 213,726.86, 294,951.75 and 118,231.91

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Solution

The fourth proportional to 213,726.86, 294,951.75 and 118,231.91 is: 163,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,726.86 : 294,951.75 = 118,231.91 : x
  2. Step 2: Convert to fraction form
    213,726.86/294,951.75 = 118,231.91/x
  3. Step 3: Cross multiply
    213,726.86x = 294,951.75 × 118,231.91
  4. Step 4: Simplify right side
    213,726.86x = 34,872,708,760.34
  5. Step 5: Solve for x
    x = 34,872,708,760.34/213,726.86
  6. Step 6: Final answer
    x = 163,164.84

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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.