Home / 151,206.78-208,578.45-94,519.74

Finding the Fourth Proportional to 151,206.78, 208,578.45 and 94,519.74

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Solution

The fourth proportional to 151,206.78, 208,578.45 and 94,519.74 is: 130,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,206.78 : 208,578.45 = 94,519.74 : x
  2. Step 2: Convert to fraction form
    151,206.78/208,578.45 = 94,519.74/x
  3. Step 3: Cross multiply
    151,206.78x = 208,578.45 × 94,519.74
  4. Step 4: Simplify right side
    151,206.78x = 19,714,780,863.60
  5. Step 5: Solve for x
    x = 19,714,780,863.60/151,206.78
  6. Step 6: Final answer
    x = 130,382.92

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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.