Home / 106,149.03-146,485.91-58,405.45

Finding the Fourth Proportional to 106,149.03, 146,485.91 and 58,405.45

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Solution

The fourth proportional to 106,149.03, 146,485.91 and 58,405.45 is: 80,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,149.03 : 146,485.91 = 58,405.45 : x
  2. Step 2: Convert to fraction form
    106,149.03/146,485.91 = 58,405.45/x
  3. Step 3: Cross multiply
    106,149.03x = 146,485.91 × 58,405.45
  4. Step 4: Simplify right side
    106,149.03x = 8,555,575,492.21
  5. Step 5: Solve for x
    x = 8,555,575,492.21/106,149.03
  6. Step 6: Final answer
    x = 80,599.66

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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.