Home / 105,816.30-146,031.81-58,069.26

Finding the Fourth Proportional to 105,816.30, 146,031.81 and 58,069.26

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Solution

The fourth proportional to 105,816.30, 146,031.81 and 58,069.26 is: 80,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,816.30 : 146,031.81 = 58,069.26 : x
  2. Step 2: Convert to fraction form
    105,816.30/146,031.81 = 58,069.26/x
  3. Step 3: Cross multiply
    105,816.30x = 146,031.81 × 58,069.26
  4. Step 4: Simplify right side
    105,816.30x = 8,479,959,143.16
  5. Step 5: Solve for x
    x = 8,479,959,143.16/105,816.30
  6. Step 6: Final answer
    x = 80,138.50

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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.