Home / 160,073.24-240,039.50-85,175.57

Finding the Fourth Proportional to 160,073.24, 240,039.50 and 85,175.57

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Solution

The fourth proportional to 160,073.24, 240,039.50 and 85,175.57 is: 127,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,073.24 : 240,039.50 = 85,175.57 : x
  2. Step 2: Convert to fraction form
    160,073.24/240,039.50 = 85,175.57/x
  3. Step 3: Cross multiply
    160,073.24x = 240,039.50 × 85,175.57
  4. Step 4: Simplify right side
    160,073.24x = 20,445,501,409.24
  5. Step 5: Solve for x
    x = 20,445,501,409.24/160,073.24
  6. Step 6: Final answer
    x = 127,725.92

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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.