Home / 131,895.84-197,852.88-53,010.12

Finding the Fourth Proportional to 131,895.84, 197,852.88 and 53,010.12

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Solution

The fourth proportional to 131,895.84, 197,852.88 and 53,010.12 is: 79,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,895.84 : 197,852.88 = 53,010.12 : x
  2. Step 2: Convert to fraction form
    131,895.84/197,852.88 = 53,010.12/x
  3. Step 3: Cross multiply
    131,895.84x = 197,852.88 × 53,010.12
  4. Step 4: Simplify right side
    131,895.84x = 10,488,204,911.15
  5. Step 5: Solve for x
    x = 10,488,204,911.15/131,895.84
  6. Step 6: Final answer
    x = 79,518.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.