Home / 155,147.33-232,688.31-70,883.57

Finding the Fourth Proportional to 155,147.33, 232,688.31 and 70,883.57

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Solution

The fourth proportional to 155,147.33, 232,688.31 and 70,883.57 is: 106,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,147.33 : 232,688.31 = 70,883.57 : x
  2. Step 2: Convert to fraction form
    155,147.33/232,688.31 = 70,883.57/x
  3. Step 3: Cross multiply
    155,147.33x = 232,688.31 × 70,883.57
  4. Step 4: Simplify right side
    155,147.33x = 16,493,776,946.63
  5. Step 5: Solve for x
    x = 16,493,776,946.63/155,147.33
  6. Step 6: Final answer
    x = 106,310.42

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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.