Home / 213,766.04-294,951.18-128,881.28

Finding the Fourth Proportional to 213,766.04, 294,951.18 and 128,881.28

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Solution

The fourth proportional to 213,766.04, 294,951.18 and 128,881.28 is: 177,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,766.04 : 294,951.18 = 128,881.28 : x
  2. Step 2: Convert to fraction form
    213,766.04/294,951.18 = 128,881.28/x
  3. Step 3: Cross multiply
    213,766.04x = 294,951.18 × 128,881.28
  4. Step 4: Simplify right side
    213,766.04x = 38,013,685,615.91
  5. Step 5: Solve for x
    x = 38,013,685,615.91/213,766.04
  6. Step 6: Final answer
    x = 177,828.46

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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.