Home / 146,061.80-219,008.88-57,211.28

Finding the Fourth Proportional to 146,061.80, 219,008.88 and 57,211.28

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Solution

The fourth proportional to 146,061.80, 219,008.88 and 57,211.28 is: 85,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,061.80 : 219,008.88 = 57,211.28 : x
  2. Step 2: Convert to fraction form
    146,061.80/219,008.88 = 57,211.28/x
  3. Step 3: Cross multiply
    146,061.80x = 219,008.88 × 57,211.28
  4. Step 4: Simplify right side
    146,061.80x = 12,529,778,356.17
  5. Step 5: Solve for x
    x = 12,529,778,356.17/146,061.80
  6. Step 6: Final answer
    x = 85,784.09

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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.