Home / 143,264.44-197,701.35-79,602.40

Finding the Fourth Proportional to 143,264.44, 197,701.35 and 79,602.40

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Solution

The fourth proportional to 143,264.44, 197,701.35 and 79,602.40 is: 109,849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,264.44 : 197,701.35 = 79,602.40 : x
  2. Step 2: Convert to fraction form
    143,264.44/197,701.35 = 79,602.40/x
  3. Step 3: Cross multiply
    143,264.44x = 197,701.35 × 79,602.40
  4. Step 4: Simplify right side
    143,264.44x = 15,737,500,954.73
  5. Step 5: Solve for x
    x = 15,737,500,954.73/143,264.44
  6. Step 6: Final answer
    x = 109,849.32

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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.