Home / 105,817.20-146,031.93-58,072.26

Finding the Fourth Proportional to 105,817.20, 146,031.93 and 58,072.26

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Solution

The fourth proportional to 105,817.20, 146,031.93 and 58,072.26 is: 80,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,817.20 : 146,031.93 = 58,072.26 : x
  2. Step 2: Convert to fraction form
    105,817.20/146,031.93 = 58,072.26/x
  3. Step 3: Cross multiply
    105,817.20x = 146,031.93 × 58,072.26
  4. Step 4: Simplify right side
    105,817.20x = 8,480,404,207.26
  5. Step 5: Solve for x
    x = 8,480,404,207.26/105,817.20
  6. Step 6: Final answer
    x = 80,142.02

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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.