Home / 213,628.02-294,792.12-118,133.88

Finding the Fourth Proportional to 213,628.02, 294,792.12 and 118,133.88

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Solution

The fourth proportional to 213,628.02, 294,792.12 and 118,133.88 is: 163,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,628.02 : 294,792.12 = 118,133.88 : x
  2. Step 2: Convert to fraction form
    213,628.02/294,792.12 = 118,133.88/x
  3. Step 3: Cross multiply
    213,628.02x = 294,792.12 × 118,133.88
  4. Step 4: Simplify right side
    213,628.02x = 34,824,936,929.03
  5. Step 5: Solve for x
    x = 34,824,936,929.03/213,628.02
  6. Step 6: Final answer
    x = 163,016.71

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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.