Home / 146,419.80-219,684.36-57,735.12

Finding the Fourth Proportional to 146,419.80, 219,684.36 and 57,735.12

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Solution

The fourth proportional to 146,419.80, 219,684.36 and 57,735.12 is: 86,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,419.80 : 219,684.36 = 57,735.12 : x
  2. Step 2: Convert to fraction form
    146,419.80/219,684.36 = 57,735.12/x
  3. Step 3: Cross multiply
    146,419.80x = 219,684.36 × 57,735.12
  4. Step 4: Simplify right side
    146,419.80x = 12,683,502,886.72
  5. Step 5: Solve for x
    x = 12,683,502,886.72/146,419.80
  6. Step 6: Final answer
    x = 86,624.23

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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.