Home / 141,275.21-194,873.31-83,875.57

Finding the Fourth Proportional to 141,275.21, 194,873.31 and 83,875.57

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Solution

The fourth proportional to 141,275.21, 194,873.31 and 83,875.57 is: 115,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,275.21 : 194,873.31 = 83,875.57 : x
  2. Step 2: Convert to fraction form
    141,275.21/194,873.31 = 83,875.57/x
  3. Step 3: Cross multiply
    141,275.21x = 194,873.31 × 83,875.57
  4. Step 4: Simplify right side
    141,275.21x = 16,345,109,466.85
  5. Step 5: Solve for x
    x = 16,345,109,466.85/141,275.21
  6. Step 6: Final answer
    x = 115,696.94

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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.