Home / 146,564.40-219,748.05-57,772.20

Finding the Fourth Proportional to 146,564.40, 219,748.05 and 57,772.20

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Solution

The fourth proportional to 146,564.40, 219,748.05 and 57,772.20 is: 86,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,564.40 : 219,748.05 = 57,772.20 : x
  2. Step 2: Convert to fraction form
    146,564.40/219,748.05 = 57,772.20/x
  3. Step 3: Cross multiply
    146,564.40x = 219,748.05 × 57,772.20
  4. Step 4: Simplify right side
    146,564.40x = 12,695,328,294.21
  5. Step 5: Solve for x
    x = 12,695,328,294.21/146,564.40
  6. Step 6: Final answer
    x = 86,619.45

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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.