Home / 213,979.06-295,287.50-118,483.70

Finding the Fourth Proportional to 213,979.06, 295,287.50 and 118,483.70

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Solution

The fourth proportional to 213,979.06, 295,287.50 and 118,483.70 is: 163,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,979.06 : 295,287.50 = 118,483.70 : x
  2. Step 2: Convert to fraction form
    213,979.06/295,287.50 = 118,483.70/x
  3. Step 3: Cross multiply
    213,979.06x = 295,287.50 × 118,483.70
  4. Step 4: Simplify right side
    213,979.06x = 34,986,755,563.75
  5. Step 5: Solve for x
    x = 34,986,755,563.75/213,979.06
  6. Step 6: Final answer
    x = 163,505.51

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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.