Home / 105,910.70-146,159.30-58,165.07

Finding the Fourth Proportional to 105,910.70, 146,159.30 and 58,165.07

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Solution

The fourth proportional to 105,910.70, 146,159.30 and 58,165.07 is: 80,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,910.70 : 146,159.30 = 58,165.07 : x
  2. Step 2: Convert to fraction form
    105,910.70/146,159.30 = 58,165.07/x
  3. Step 3: Cross multiply
    105,910.70x = 146,159.30 × 58,165.07
  4. Step 4: Simplify right side
    105,910.70x = 8,501,364,894.03
  5. Step 5: Solve for x
    x = 8,501,364,894.03/105,910.70
  6. Step 6: Final answer
    x = 80,269.18

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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.