Home / 175,839.12-263,770.80-70,658.16

Finding the Fourth Proportional to 175,839.12, 263,770.80 and 70,658.16

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Solution

The fourth proportional to 175,839.12, 263,770.80 and 70,658.16 is: 105,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,839.12 : 263,770.80 = 70,658.16 : x
  2. Step 2: Convert to fraction form
    175,839.12/263,770.80 = 70,658.16/x
  3. Step 3: Cross multiply
    175,839.12x = 263,770.80 × 70,658.16
  4. Step 4: Simplify right side
    175,839.12x = 18,637,559,389.73
  5. Step 5: Solve for x
    x = 18,637,559,389.73/175,839.12
  6. Step 6: Final answer
    x = 105,992.11

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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.