Home / 143,267.14-197,699.97-79,602.76

Finding the Fourth Proportional to 143,267.14, 197,699.97 and 79,602.76

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Solution

The fourth proportional to 143,267.14, 197,699.97 and 79,602.76 is: 109,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,267.14 : 197,699.97 = 79,602.76 : x
  2. Step 2: Convert to fraction form
    143,267.14/197,699.97 = 79,602.76/x
  3. Step 3: Cross multiply
    143,267.14x = 197,699.97 × 79,602.76
  4. Step 4: Simplify right side
    143,267.14x = 15,737,463,263.92
  5. Step 5: Solve for x
    x = 15,737,463,263.92/143,267.14
  6. Step 6: Final answer
    x = 109,846.98

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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.