Home / 106,601.76-147,106.55-58,202.80

Finding the Fourth Proportional to 106,601.76, 147,106.55 and 58,202.80

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Solution

The fourth proportional to 106,601.76, 147,106.55 and 58,202.80 is: 80,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,601.76 : 147,106.55 = 58,202.80 : x
  2. Step 2: Convert to fraction form
    106,601.76/147,106.55 = 58,202.80/x
  3. Step 3: Cross multiply
    106,601.76x = 147,106.55 × 58,202.80
  4. Step 4: Simplify right side
    106,601.76x = 8,562,013,108.34
  5. Step 5: Solve for x
    x = 8,562,013,108.34/106,601.76
  6. Step 6: Final answer
    x = 80,317.75

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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.