Home / 141,676.32-195,386.94-100,760.16

Finding the Fourth Proportional to 141,676.32, 195,386.94 and 100,760.16

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Solution

The fourth proportional to 141,676.32, 195,386.94 and 100,760.16 is: 138,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,676.32 : 195,386.94 = 100,760.16 : x
  2. Step 2: Convert to fraction form
    141,676.32/195,386.94 = 100,760.16/x
  3. Step 3: Cross multiply
    141,676.32x = 195,386.94 × 100,760.16
  4. Step 4: Simplify right side
    141,676.32x = 19,687,219,336.31
  5. Step 5: Solve for x
    x = 19,687,219,336.31/141,676.32
  6. Step 6: Final answer
    x = 138,959.14

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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.