Home / 146,823.10-220,234.65-130,201.90

Finding the Fourth Proportional to 146,823.10, 220,234.65 and 130,201.90

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Solution

The fourth proportional to 146,823.10, 220,234.65 and 130,201.90 is: 195,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,823.10 : 220,234.65 = 130,201.90 : x
  2. Step 2: Convert to fraction form
    146,823.10/220,234.65 = 130,201.90/x
  3. Step 3: Cross multiply
    146,823.10x = 220,234.65 × 130,201.90
  4. Step 4: Simplify right side
    146,823.10x = 28,674,969,875.84
  5. Step 5: Solve for x
    x = 28,674,969,875.84/146,823.10
  6. Step 6: Final answer
    x = 195,302.85

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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.