Home / 213,555.60-294,681.09-118,049.31

Finding the Fourth Proportional to 213,555.60, 294,681.09 and 118,049.31

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Solution

The fourth proportional to 213,555.60, 294,681.09 and 118,049.31 is: 162,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,555.60 : 294,681.09 = 118,049.31 : x
  2. Step 2: Convert to fraction form
    213,555.60/294,681.09 = 118,049.31/x
  3. Step 3: Cross multiply
    213,555.60x = 294,681.09 × 118,049.31
  4. Step 4: Simplify right side
    213,555.60x = 34,786,899,344.55
  5. Step 5: Solve for x
    x = 34,786,899,344.55/213,555.60
  6. Step 6: Final answer
    x = 162,893.88

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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.