Home / 106,900.35-147,520.30-59,153.68

Finding the Fourth Proportional to 106,900.35, 147,520.30 and 59,153.68

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Solution

The fourth proportional to 106,900.35, 147,520.30 and 59,153.68 is: 81,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,900.35 : 147,520.30 = 59,153.68 : x
  2. Step 2: Convert to fraction form
    106,900.35/147,520.30 = 59,153.68/x
  3. Step 3: Cross multiply
    106,900.35x = 147,520.30 × 59,153.68
  4. Step 4: Simplify right side
    106,900.35x = 8,726,368,619.70
  5. Step 5: Solve for x
    x = 8,726,368,619.70/106,900.35
  6. Step 6: Final answer
    x = 81,630.87

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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.