Home / 143,166.16-197,598.32-82,739.35

Finding the Fourth Proportional to 143,166.16, 197,598.32 and 82,739.35

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Solution

The fourth proportional to 143,166.16, 197,598.32 and 82,739.35 is: 114,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,166.16 : 197,598.32 = 82,739.35 : x
  2. Step 2: Convert to fraction form
    143,166.16/197,598.32 = 82,739.35/x
  3. Step 3: Cross multiply
    143,166.16x = 197,598.32 × 82,739.35
  4. Step 4: Simplify right side
    143,166.16x = 16,349,156,557.89
  5. Step 5: Solve for x
    x = 16,349,156,557.89/143,166.16
  6. Step 6: Final answer
    x = 114,197.07

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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.