Home / 348,947.79-522,982.67-189,017.61

Finding the Fourth Proportional to 348,947.79, 522,982.67 and 189,017.61

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Solution

The fourth proportional to 348,947.79, 522,982.67 and 189,017.61 is: 283,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,947.79 : 522,982.67 = 189,017.61 : x
  2. Step 2: Convert to fraction form
    348,947.79/522,982.67 = 189,017.61/x
  3. Step 3: Cross multiply
    348,947.79x = 522,982.67 × 189,017.61
  4. Step 4: Simplify right side
    348,947.79x = 98,852,933,409.73
  5. Step 5: Solve for x
    x = 98,852,933,409.73/348,947.79
  6. Step 6: Final answer
    x = 283,288.61

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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.