Home / 105,259.70-157,900.18-34,179.36

Finding the Fourth Proportional to 105,259.70, 157,900.18 and 34,179.36

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Solution

The fourth proportional to 105,259.70, 157,900.18 and 34,179.36 is: 51,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,259.70 : 157,900.18 = 34,179.36 : x
  2. Step 2: Convert to fraction form
    105,259.70/157,900.18 = 34,179.36/x
  3. Step 3: Cross multiply
    105,259.70x = 157,900.18 × 34,179.36
  4. Step 4: Simplify right side
    105,259.70x = 5,396,927,560.24
  5. Step 5: Solve for x
    x = 5,396,927,560.24/105,259.70
  6. Step 6: Final answer
    x = 51,272.50

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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.