Home / 105,307.26-157,969.05-35,186.82

Finding the Fourth Proportional to 105,307.26, 157,969.05 and 35,186.82

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Solution

The fourth proportional to 105,307.26, 157,969.05 and 35,186.82 is: 52,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,307.26 : 157,969.05 = 35,186.82 : x
  2. Step 2: Convert to fraction form
    105,307.26/157,969.05 = 35,186.82/x
  3. Step 3: Cross multiply
    105,307.26x = 157,969.05 × 35,186.82
  4. Step 4: Simplify right side
    105,307.26x = 5,558,428,527.92
  5. Step 5: Solve for x
    x = 5,558,428,527.92/105,307.26
  6. Step 6: Final answer
    x = 52,782.96

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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.