Home / 213,759.36-294,996.60-118,264.50

Finding the Fourth Proportional to 213,759.36, 294,996.60 and 118,264.50

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Solution

The fourth proportional to 213,759.36, 294,996.60 and 118,264.50 is: 163,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,759.36 : 294,996.60 = 118,264.50 : x
  2. Step 2: Convert to fraction form
    213,759.36/294,996.60 = 118,264.50/x
  3. Step 3: Cross multiply
    213,759.36x = 294,996.60 × 118,264.50
  4. Step 4: Simplify right side
    213,759.36x = 34,887,625,400.70
  5. Step 5: Solve for x
    x = 34,887,625,400.70/213,759.36
  6. Step 6: Final answer
    x = 163,209.81

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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.