Home / 101,255.19-139,733.46-55,932.99

Finding the Fourth Proportional to 101,255.19, 139,733.46 and 55,932.99

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Solution

The fourth proportional to 101,255.19, 139,733.46 and 55,932.99 is: 77,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,255.19 : 139,733.46 = 55,932.99 : x
  2. Step 2: Convert to fraction form
    101,255.19/139,733.46 = 55,932.99/x
  3. Step 3: Cross multiply
    101,255.19x = 139,733.46 × 55,932.99
  4. Step 4: Simplify right side
    101,255.19x = 7,815,710,220.85
  5. Step 5: Solve for x
    x = 7,815,710,220.85/101,255.19
  6. Step 6: Final answer
    x = 77,188.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.