Home / 146,421.30-219,686.62-57,736.63

Finding the Fourth Proportional to 146,421.30, 219,686.62 and 57,736.63

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Solution

The fourth proportional to 146,421.30, 219,686.62 and 57,736.63 is: 86,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,421.30 : 219,686.62 = 57,736.63 : x
  2. Step 2: Convert to fraction form
    146,421.30/219,686.62 = 57,736.63/x
  3. Step 3: Cross multiply
    146,421.30x = 219,686.62 × 57,736.63
  4. Step 4: Simplify right side
    146,421.30x = 12,683,965,094.89
  5. Step 5: Solve for x
    x = 12,683,965,094.89/146,421.30
  6. Step 6: Final answer
    x = 86,626.50

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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.