Home / 105,247.08-157,891.38-34,156.47

Finding the Fourth Proportional to 105,247.08, 157,891.38 and 34,156.47

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Solution

The fourth proportional to 105,247.08, 157,891.38 and 34,156.47 is: 51,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,247.08 : 157,891.38 = 34,156.47 : x
  2. Step 2: Convert to fraction form
    105,247.08/157,891.38 = 34,156.47/x
  3. Step 3: Cross multiply
    105,247.08x = 157,891.38 × 34,156.47
  4. Step 4: Simplify right side
    105,247.08x = 5,393,012,184.23
  5. Step 5: Solve for x
    x = 5,393,012,184.23/105,247.08
  6. Step 6: Final answer
    x = 51,241.44

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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.