Home / 146,018.10-218,905.65-61,842.90

Finding the Fourth Proportional to 146,018.10, 218,905.65 and 61,842.90

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Solution

The fourth proportional to 146,018.10, 218,905.65 and 61,842.90 is: 92,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,018.10 : 218,905.65 = 61,842.90 : x
  2. Step 2: Convert to fraction form
    146,018.10/218,905.65 = 61,842.90/x
  3. Step 3: Cross multiply
    146,018.10x = 218,905.65 × 61,842.90
  4. Step 4: Simplify right side
    146,018.10x = 13,537,760,222.39
  5. Step 5: Solve for x
    x = 13,537,760,222.39/146,018.10
  6. Step 6: Final answer
    x = 92,712.89

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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.