Home / 146,485.17-219,745.35-51,695.80

Finding the Fourth Proportional to 146,485.17, 219,745.35 and 51,695.80

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Solution

The fourth proportional to 146,485.17, 219,745.35 and 51,695.80 is: 77,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,485.17 : 219,745.35 = 51,695.80 : x
  2. Step 2: Convert to fraction form
    146,485.17/219,745.35 = 51,695.80/x
  3. Step 3: Cross multiply
    146,485.17x = 219,745.35 × 51,695.80
  4. Step 4: Simplify right side
    146,485.17x = 11,359,911,115.17
  5. Step 5: Solve for x
    x = 11,359,911,115.17/146,485.17
  6. Step 6: Final answer
    x = 77,549.91

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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.