Home / 105,326.12-157,956.31-35,189.03

Finding the Fourth Proportional to 105,326.12, 157,956.31 and 35,189.03

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Solution

The fourth proportional to 105,326.12, 157,956.31 and 35,189.03 is: 52,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,326.12 : 157,956.31 = 35,189.03 : x
  2. Step 2: Convert to fraction form
    105,326.12/157,956.31 = 35,189.03/x
  3. Step 3: Cross multiply
    105,326.12x = 157,956.31 × 35,189.03
  4. Step 4: Simplify right side
    105,326.12x = 5,558,329,770.16
  5. Step 5: Solve for x
    x = 5,558,329,770.16/105,326.12
  6. Step 6: Final answer
    x = 52,772.57

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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.