Home / 143,190.95-197,598.06-79,532.84

Finding the Fourth Proportional to 143,190.95, 197,598.06 and 79,532.84

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Solution

The fourth proportional to 143,190.95, 197,598.06 and 79,532.84 is: 109,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,190.95 : 197,598.06 = 79,532.84 : x
  2. Step 2: Convert to fraction form
    143,190.95/197,598.06 = 79,532.84/x
  3. Step 3: Cross multiply
    143,190.95x = 197,598.06 × 79,532.84
  4. Step 4: Simplify right side
    143,190.95x = 15,715,534,890.29
  5. Step 5: Solve for x
    x = 15,715,534,890.29/143,190.95
  6. Step 6: Final answer
    x = 109,752.29

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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.