Home / 155,191.73-232,392.31-102,440.21

Finding the Fourth Proportional to 155,191.73, 232,392.31 and 102,440.21

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Solution

The fourth proportional to 155,191.73, 232,392.31 and 102,440.21 is: 153,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,191.73 : 232,392.31 = 102,440.21 : x
  2. Step 2: Convert to fraction form
    155,191.73/232,392.31 = 102,440.21/x
  3. Step 3: Cross multiply
    155,191.73x = 232,392.31 × 102,440.21
  4. Step 4: Simplify right side
    155,191.73x = 23,806,315,620.72
  5. Step 5: Solve for x
    x = 23,806,315,620.72/155,191.73
  6. Step 6: Final answer
    x = 153,399.39

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1.5x scale

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.