Home / 136,080.18-204,178.71-47,285.25

Finding the Fourth Proportional to 136,080.18, 204,178.71 and 47,285.25

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Solution

The fourth proportional to 136,080.18, 204,178.71 and 47,285.25 is: 70,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,080.18 : 204,178.71 = 47,285.25 : x
  2. Step 2: Convert to fraction form
    136,080.18/204,178.71 = 47,285.25/x
  3. Step 3: Cross multiply
    136,080.18x = 204,178.71 × 47,285.25
  4. Step 4: Simplify right side
    136,080.18x = 9,654,641,347.03
  5. Step 5: Solve for x
    x = 9,654,641,347.03/136,080.18
  6. Step 6: Final answer
    x = 70,948.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.