Home / 362,733.20-543,905.40-152,133.20

Finding the Fourth Proportional to 362,733.20, 543,905.40 and 152,133.20

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Solution

The fourth proportional to 362,733.20, 543,905.40 and 152,133.20 is: 228,118.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,733.20 : 543,905.40 = 152,133.20 : x
  2. Step 2: Convert to fraction form
    362,733.20/543,905.40 = 152,133.20/x
  3. Step 3: Cross multiply
    362,733.20x = 543,905.40 × 152,133.20
  4. Step 4: Simplify right side
    362,733.20x = 82,746,068,999.28
  5. Step 5: Solve for x
    x = 82,746,068,999.28/362,733.20
  6. Step 6: Final answer
    x = 228,118.27

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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.