Home / 140,689.08-194,175.47-83,360.68

Finding the Fourth Proportional to 140,689.08, 194,175.47 and 83,360.68

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Solution

The fourth proportional to 140,689.08, 194,175.47 and 83,360.68 is: 115,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,689.08 : 194,175.47 = 83,360.68 : x
  2. Step 2: Convert to fraction form
    140,689.08/194,175.47 = 83,360.68/x
  3. Step 3: Cross multiply
    140,689.08x = 194,175.47 × 83,360.68
  4. Step 4: Simplify right side
    140,689.08x = 16,186,599,218.52
  5. Step 5: Solve for x
    x = 16,186,599,218.52/140,689.08
  6. Step 6: Final answer
    x = 115,052.28

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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.