Home / 106,037.40-146,327.91-58,290.41

Finding the Fourth Proportional to 106,037.40, 146,327.91 and 58,290.41

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Solution

The fourth proportional to 106,037.40, 146,327.91 and 58,290.41 is: 80,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,037.40 : 146,327.91 = 58,290.41 : x
  2. Step 2: Convert to fraction form
    106,037.40/146,327.91 = 58,290.41/x
  3. Step 3: Cross multiply
    106,037.40x = 146,327.91 × 58,290.41
  4. Step 4: Simplify right side
    106,037.40x = 8,529,513,136.70
  5. Step 5: Solve for x
    x = 8,529,513,136.70/106,037.40
  6. Step 6: Final answer
    x = 80,438.72

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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.