Home / 155,557.92-232,986.78-109,018.56

Finding the Fourth Proportional to 155,557.92, 232,986.78 and 109,018.56

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Solution

The fourth proportional to 155,557.92, 232,986.78 and 109,018.56 is: 163,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,557.92 : 232,986.78 = 109,018.56 : x
  2. Step 2: Convert to fraction form
    155,557.92/232,986.78 = 109,018.56/x
  3. Step 3: Cross multiply
    155,557.92x = 232,986.78 × 109,018.56
  4. Step 4: Simplify right side
    155,557.92x = 25,399,883,254.64
  5. Step 5: Solve for x
    x = 25,399,883,254.64/155,557.92
  6. Step 6: Final answer
    x = 163,282.48

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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.