Home / 155,126.10-214,097.19-94,731.75

Finding the Fourth Proportional to 155,126.10, 214,097.19 and 94,731.75

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Solution

The fourth proportional to 155,126.10, 214,097.19 and 94,731.75 is: 130,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,126.10 : 214,097.19 = 94,731.75 : x
  2. Step 2: Convert to fraction form
    155,126.10/214,097.19 = 94,731.75/x
  3. Step 3: Cross multiply
    155,126.10x = 214,097.19 × 94,731.75
  4. Step 4: Simplify right side
    155,126.10x = 20,281,801,478.78
  5. Step 5: Solve for x
    x = 20,281,801,478.78/155,126.10
  6. Step 6: Final answer
    x = 130,743.97

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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.