Home / 105,817.30-146,033.19-58,070.26

Finding the Fourth Proportional to 105,817.30, 146,033.19 and 58,070.26

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Solution

The fourth proportional to 105,817.30, 146,033.19 and 58,070.26 is: 80,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,817.30 : 146,033.19 = 58,070.26 : x
  2. Step 2: Convert to fraction form
    105,817.30/146,033.19 = 58,070.26/x
  3. Step 3: Cross multiply
    105,817.30x = 146,033.19 × 58,070.26
  4. Step 4: Simplify right side
    105,817.30x = 8,480,185,311.93
  5. Step 5: Solve for x
    x = 8,480,185,311.93/105,817.30
  6. Step 6: Final answer
    x = 80,139.88

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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.