Home / 146,211.89-219,356.10-51,438.24

Finding the Fourth Proportional to 146,211.89, 219,356.10 and 51,438.24

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Solution

The fourth proportional to 146,211.89, 219,356.10 and 51,438.24 is: 77,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,211.89 : 219,356.10 = 51,438.24 : x
  2. Step 2: Convert to fraction form
    146,211.89/219,356.10 = 51,438.24/x
  3. Step 3: Cross multiply
    146,211.89x = 219,356.10 × 51,438.24
  4. Step 4: Simplify right side
    146,211.89x = 11,283,291,717.26
  5. Step 5: Solve for x
    x = 11,283,291,717.26/146,211.89
  6. Step 6: Final answer
    x = 77,170.82

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1.5x scale

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.