Home / 160,619.45-240,371.46-99,804.75

Finding the Fourth Proportional to 160,619.45, 240,371.46 and 99,804.75

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Solution

The fourth proportional to 160,619.45, 240,371.46 and 99,804.75 is: 149,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,619.45 : 240,371.46 = 99,804.75 : x
  2. Step 2: Convert to fraction form
    160,619.45/240,371.46 = 99,804.75/x
  3. Step 3: Cross multiply
    160,619.45x = 240,371.46 × 99,804.75
  4. Step 4: Simplify right side
    160,619.45x = 23,990,212,966.39
  5. Step 5: Solve for x
    x = 23,990,212,966.39/160,619.45
  6. Step 6: Final answer
    x = 149,360.57

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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.