Home / 146,541.80-219,812.70-57,765.80

Finding the Fourth Proportional to 146,541.80, 219,812.70 and 57,765.80

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Solution

The fourth proportional to 146,541.80, 219,812.70 and 57,765.80 is: 86,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,541.80 : 219,812.70 = 57,765.80 : x
  2. Step 2: Convert to fraction form
    146,541.80/219,812.70 = 57,765.80/x
  3. Step 3: Cross multiply
    146,541.80x = 219,812.70 × 57,765.80
  4. Step 4: Simplify right side
    146,541.80x = 12,697,656,465.66
  5. Step 5: Solve for x
    x = 12,697,656,465.66/146,541.80
  6. Step 6: Final answer
    x = 86,648.70

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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.