Home / 151,034.94-208,405.38-86,494.14

Finding the Fourth Proportional to 151,034.94, 208,405.38 and 86,494.14

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Solution

The fourth proportional to 151,034.94, 208,405.38 and 86,494.14 is: 119,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,034.94 : 208,405.38 = 86,494.14 : x
  2. Step 2: Convert to fraction form
    151,034.94/208,405.38 = 86,494.14/x
  3. Step 3: Cross multiply
    151,034.94x = 208,405.38 × 86,494.14
  4. Step 4: Simplify right side
    151,034.94x = 18,025,844,114.47
  5. Step 5: Solve for x
    x = 18,025,844,114.47/151,034.94
  6. Step 6: Final answer
    x = 119,348.83

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1.5x scale

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.