Home / 142,803.56-197,068.62-82,373.24

Finding the Fourth Proportional to 142,803.56, 197,068.62 and 82,373.24

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Solution

The fourth proportional to 142,803.56, 197,068.62 and 82,373.24 is: 113,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,803.56 : 197,068.62 = 82,373.24 : x
  2. Step 2: Convert to fraction form
    142,803.56/197,068.62 = 82,373.24/x
  3. Step 3: Cross multiply
    142,803.56x = 197,068.62 × 82,373.24
  4. Step 4: Simplify right side
    142,803.56x = 16,233,180,731.73
  5. Step 5: Solve for x
    x = 16,233,180,731.73/142,803.56
  6. Step 6: Final answer
    x = 113,674.90

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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.