Home / 143,153.30-197,226.48-110,776.58

Finding the Fourth Proportional to 143,153.30, 197,226.48 and 110,776.58

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Solution

The fourth proportional to 143,153.30, 197,226.48 and 110,776.58 is: 152,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,153.30 : 197,226.48 = 110,776.58 : x
  2. Step 2: Convert to fraction form
    143,153.30/197,226.48 = 110,776.58/x
  3. Step 3: Cross multiply
    143,153.30x = 197,226.48 × 110,776.58
  4. Step 4: Simplify right side
    143,153.30x = 21,848,074,939.84
  5. Step 5: Solve for x
    x = 21,848,074,939.84/143,153.30
  6. Step 6: Final answer
    x = 152,620.13

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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.