Home / 106,985.37-147,644.39-59,238.68

Finding the Fourth Proportional to 106,985.37, 147,644.39 and 59,238.68

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Solution

The fourth proportional to 106,985.37, 147,644.39 and 59,238.68 is: 81,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,985.37 : 147,644.39 = 59,238.68 : x
  2. Step 2: Convert to fraction form
    106,985.37/147,644.39 = 59,238.68/x
  3. Step 3: Cross multiply
    106,985.37x = 147,644.39 × 59,238.68
  4. Step 4: Simplify right side
    106,985.37x = 8,746,257,738.59
  5. Step 5: Solve for x
    x = 8,746,257,738.59/106,985.37
  6. Step 6: Final answer
    x = 81,751.90

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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.