Home / 141,124.30-194,718.03-79,871.32

Finding the Fourth Proportional to 141,124.30, 194,718.03 and 79,871.32

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Solution

The fourth proportional to 141,124.30, 194,718.03 and 79,871.32 is: 110,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,124.30 : 194,718.03 = 79,871.32 : x
  2. Step 2: Convert to fraction form
    141,124.30/194,718.03 = 79,871.32/x
  3. Step 3: Cross multiply
    141,124.30x = 194,718.03 × 79,871.32
  4. Step 4: Simplify right side
    141,124.30x = 15,552,386,083.90
  5. Step 5: Solve for x
    x = 15,552,386,083.90/141,124.30
  6. Step 6: Final answer
    x = 110,203.46

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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.