Home / 143,264.86-197,701.59-79,601.02

Finding the Fourth Proportional to 143,264.86, 197,701.59 and 79,601.02

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Solution

The fourth proportional to 143,264.86, 197,701.59 and 79,601.02 is: 109,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,264.86 : 197,701.59 = 79,601.02 : x
  2. Step 2: Convert to fraction form
    143,264.86/197,701.59 = 79,601.02/x
  3. Step 3: Cross multiply
    143,264.86x = 197,701.59 × 79,601.02
  4. Step 4: Simplify right side
    143,264.86x = 15,737,248,023.87
  5. Step 5: Solve for x
    x = 15,737,248,023.87/143,264.86
  6. Step 6: Final answer
    x = 109,847.23

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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.