Home / 155,852.45-233,723.32-54,639.46

Finding the Fourth Proportional to 155,852.45, 233,723.32 and 54,639.46

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Solution

The fourth proportional to 155,852.45, 233,723.32 and 54,639.46 is: 81,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,852.45 : 233,723.32 = 54,639.46 : x
  2. Step 2: Convert to fraction form
    155,852.45/233,723.32 = 54,639.46/x
  3. Step 3: Cross multiply
    155,852.45x = 233,723.32 × 54,639.46
  4. Step 4: Simplify right side
    155,852.45x = 12,770,516,457.11
  5. Step 5: Solve for x
    x = 12,770,516,457.11/155,852.45
  6. Step 6: Final answer
    x = 81,939.78

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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.